Seiko Watch 5J32A User Guide

PARTS CATALOGUE/TECHNICALGUIDE  
Cal. 5J32A  
PARTS CATALOGUE/TECHNICAL GUIDE (p.1–22)  
[SPECIFICATIONS]  
Cal. No.  
5J32A  
Item  
Movement  
(x 1.0)  
Movement  
size  
Outside diameter  
Casing diameter  
Height  
ø26.4 mm  
ø25.6 mm  
4.15 mm  
Time indication  
3 hands Hour and minute hands move at 5-second intervals.  
(
)
Second hand moves at 1-second intervals.  
Driving system  
• Step motor (Load compensated driving pulse type, 2 pieces)  
Additional mechanism  
• Automatic generating system  
• Energy depletion forewarning function  
• Overcharge prevention function  
• Electronic circuit reset switch  
• Train wheel setting device  
• Date calendar  
• Instant setting device for date calendar  
• Automatic power save function  
• Manual power save function  
• Time relay function  
Loss/gain  
Monthly rate at normal temperature range: less than 15 seconds  
Nil  
Regulation system  
Measuring gate by quartz tester  
Use 10-second gate.  
Power  
supply  
Power generator  
Automatic generating system  
Electricity Storage  
Unit (E.S. Unit)  
Titanium lithium ion rechargeable battery  
Operating voltage range  
Duration of charge  
Jewels  
0.45 V ~ 2.5 V  
Validity of time relay function : Approx. 4 years (Full charge)  
13 jewels  
1
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Cal. 5J32A  
PARTS CATALOGUE  
Disassembling procedures Figs. :  
Reassembling procedures Figs. :  
1
61  
1
61  
Lubricating: Types of oil  
Moebius A  
Oil quantity  
Normal quantity  
Liberal quantity  
Moebius F  
SEIKO Watch Oil S-6  
Remarks on removing the winding stem  
1
Hour, minute and  
second hands  
To remove the winding stem when taking  
out the movement from the case or while  
disassembling the parts during repair  
work, be sure to pull out the crown to the  
first click, and then, remove the winding  
stem while pushing the setting lever.  
2
Dial  
Note: If the winding stem is removed with  
the crown at the normal position, it  
may not be put back in place.  
3
4
5
0012 354  
Date dial guard screw  
0353 558  
Hour wheel guard spring  
0808 557  
Date dial guard  
6
7
0737 557  
Day-date corrector wheel  
0962 558  
Second intermediate wheel  
for calendar corrector  
8
Date dial  
9
0802 557  
Date driving wheel  
10 0817 558  
Intermediate date driving  
wheel  
0012 354  
• Date dial guard screw  
• Rechargeable battery clamp screw  
(2 pcs.)  
• Circuit block cover A screw (4 pcs.)  
• Circuit block cover C screw (2 pcs.)  
• Circuit block cover B screw (2 pcs.)  
• Train wheel bridge screw (2 pcs.)  
• Setting lever spring screw (1 pc.)  
(2 pcs.)  
11 0817 557  
Intermediate hour wheel  
12 0353 557  
Date driving wheel spring  
13 0271 558  
Hour wheel  
0022 490  
• Oscillating weight screw (1 pc.)  
Please see the remarks on the following pages.  
Lubricating of some parts is shown in “II. REMARKS ON DISASSEMBLING AND REASSEMBLING”.  
3
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PARTS CATALOGUE  
Cal. 5J32A  
14 0022 490  
Oscillating weight screw  
15 0500 537  
Oscillating weight  
16 0012 354  
Rechargeable battery clamp screw  
17 4225 522  
Rechargeable battery clamp  
18 4216 524  
Insulator for rechargeable battery  
19 3023 24X  
Rechargeable battery unit  
20 0012 354  
Circuit block cover A screw  
21 4457 804  
Circuit block cover A  
22 4457 774  
Circuit block cover D  
23 0012 354  
Circuit block cover C screw  
24 4457 773  
Circuit block cover C  
25 0012 354  
Circuit block cover B screw  
26 4457 772  
Circuit block cover B  
27 0198 557  
Oscillating weight bridge  
28 4000 516  
Circuit block  
Please see the remarks on the following pages.  
Lubricating of some parts is shown in “II. REMARKS ON DISASSEMBLING AND REASSEMBLING”.  
4
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PARTS CATALOGUE  
Cal. 5J32A  
29 1002 557  
Intermediate wheel  
for generating rotor  
30 0012 354  
Train wheel bridge screw  
31 0125 556  
Train wheel bridge  
32 4146 522  
Generating rotor  
33 4002 525  
Generating coil block  
34 0240 556  
Second wheel and pinion  
35 0317 557  
Intermediate second wheel  
36 0241 556  
Fourth wheel and pinion  
37 0231 556  
Third wheel and pinion  
38 4146 521  
Second rotor  
39 4146 523  
Hour and minute rotor  
40 0281 552  
Setting wheel  
41 0766 553  
Intermediate minute wheel  
42 0261 553  
Minute wheel and pinion  
43 4283 557  
Spacer for center wheel  
and pinion  
44 0221 556  
Center wheel and pinion  
45 4002 524  
Second coil block  
46 4002 523  
Hour and minute coil block  
47 4271 522  
Rechargeable battery  
connection (+)  
Please see the remarks on the following pages.  
Lubricating of some parts is shown in “II. REMARKS ON DISASSEMBLING AND REASSEMBLING”.  
5
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PARTS CATALOGUE  
Cal. 5J32A  
48 0012 354  
Setting lever spring screw  
49 0388 557  
Setting lever spring  
50 0383 557  
Setting lever  
51 0384 557  
Yoke  
52 0391 557  
Train wheel setting lever  
53 4239 524  
Generating stator  
54 4239 523  
Second stator  
55 4239 522  
Hour and minute stator  
56 Winding stem  
57 0282 523  
Clutch wheel  
58 0962 557  
First intermediate wheel for  
calendar corrector  
59 0027 369  
Power saving switch lead pin  
60 4408 524  
Circuit block spacer  
61 0100 556  
Main plate  
Please see the remarks on the following pages.  
Lubricating of some parts is shown in “II. REMARKS ON DISASSEMBLING AND REASSEMBLING”.  
6
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PARTS CATALOGUE  
Cal. 5J32A  
Identification of circuit block  
In order to distinguish 5J32 circuit block from 5J21/5J22 circuit blocks, refer to "Identification of 5J  
series circuit blocks" on page 22.  
Remarks:  
8
Date dial  
Position of  
calendar frame  
Color of  
background  
Part code  
Position of crown  
Color of figure  
0878 942  
0878 943  
3 o’clock  
3 o’clock  
3 o’clock  
3 o’clock  
White  
Black  
Black  
White  
The type of date dial is determined based on the design of cases. (The table above does not cover all  
the date dial available.)  
Check the case number and refer to “SEIKO Casing Parts Catalogue” or "Watch Parts Catalogue CD-  
ROM" to choose a corresponding date dial.  
56 Winding stem 0351 557  
The type of winding stem is determined based on the design of cases.  
Check the case number and refer to “SEIKO Casing Parts Catalogue” or "Watch Parts Catalogue CD-  
ROM" to choose a corresponding winding stem.  
TECHNICAL GUIDE  
Cal. 5J32A  
The explanation here is only for the particular points of Cal. 5J32A.  
For the repairing, checking and measuring procedures, refer to the “TECHNICAL GUIDE, GENERAL  
INSTRUCTIONS”.  
I.  
STRUCTURE OF THE CIRCUIT BLOCK  
Hour and minute coil output terminal  
C-MOS-IC  
Hour and minute coil  
detection terminal  
Automatic generating  
input terminal  
Input terminal (+)  
Crystal unit  
Input terminal (–)  
Second coil output terminal  
7
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Cal. 5J32A  
TECHNICAL GUIDE  
II. REMARKS ON DISASSEMBLING AND REASSEMBLING  
For disassembling and reassembling, be sure to use the universal movement holder.  
1
Hands  
In case of conventional quartz movements, the hands should be installed immediately after the date  
changes by turning the crown. Cal. 5J32A uses a new calendar mechanism that changes without  
perceptible clicks, and therefore, the procedure below should be followed to install the hands.  
How to install  
1. Pull out the crown to the second click, and  
turn it counterclockwise.  
2. Check if the date numeral moves in the  
calendar frame. When it starts to move,  
turn the crown slowly, and stop turning it  
when the numeral stops moving.  
3. Install the hour hand exactly at the 12  
o’clock position.  
4. Install the minute and second hands in the  
same manner as you would do for a  
conventional quartz movement.  
Guide tube  
4
Hour wheel guard spring  
Setting position  
Refer to the illustration at right.  
Note: Handle the hour wheel guard spring  
carefully lest its spring portion should  
be deformed.  
Hour wheel  
guard spring  
“A” portion  
5
Date dial guard  
· “A” portion in the illustration at right has  
elasticity and is made tight in order to be set to  
the guide tube. Make sure that “A” portion is  
set securely in position.  
· Hook the spring portion “B” of the date dial  
guard to the tube as shown in the illustration  
at right.  
Tube  
Spring portion “B”  
8
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Cal. 5J32A  
TECHNICAL GUIDE  
Please insert the pivot of the  
day-date corrector wheel here.  
6
Day-date corrector wheel  
Before setting the day-date corrector wheel, check  
the yoke through the tracking hole of the  
movement. Set the wheel in such a manner that  
its pivot portion passes through the shaded  
portion in the illustration at right.  
Yoke  
Tracking hole of  
the movement  
Dial side  
7
8
Second intermediate wheel for calendar corrector  
Set the second intermediate wheel for calendar  
corrector in the direction as shown in the  
illustration at right, taking care not to set it upside  
down.  
Main plate side  
Date driving wheel  
Date dial  
Check that the date dial engages securely with  
the gear of the date driving wheel as shown in the  
illustration at right.  
Intermediate date  
driving wheel  
Date dial  
9
Date driving wheel  
Dial side  
Set the date driving wheel in the direction as  
shown in the illustration at right. Make sure that  
its longer pivot faces the movement side.  
Main plate side  
How to install  
1. Apply the spring portion of the date driving wheel spring to the lower pivot of the date driving  
wheel, and then, slide the date driving wheel in the direction of the arrow in the illustration.  
2. Slide the date driving wheel until its gear engages securely with the circumference of the  
intermediate date driving wheel.  
Intermediate date  
driving wheel  
Date driving wheel spring  
Date driving wheel  
Complete setting position  
Note: When setting the date driving wheel spring, take utmost care not to deform its shape.  
9
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Cal. 5J32A  
TECHNICAL GUIDE  
14 Oscillating weight screw  
Oscillating weight screw  
· Before tightening the oscillating weight screw,  
check that the gear of the oscillating weight  
wheel securely engages with the pinion of the  
intermediate wheel for generating rotor (“A”  
portion in the illustration).  
· Tighten the oscillating weight screw firmly,  
applying more force than usual. If the  
oscillating weight screw becomes loose,  
electricity generation will be defective.  
“A” portion  
15 Oscillating weight  
Lubricating  
Lubricate the ball-bearing of the oscillating  
weight as shown in the illustration at right.  
Note: Be sure to lubricate at the position and  
in the quantity specified in the  
illustration.  
19 Rechargeable battery unit  
How to remove  
“C” portion  
Insert the tip of the tweezers into the “A”  
portion gap in the illustration, and pry up the  
rechargeable battery unit to remove it.  
“B” portion  
How to install  
Minus lead terminal  
Set the minus lead terminal to the guide post  
“B” in the illustration, push “C” portion down  
vertically so that the rechargeable battery unit  
is well seated in position.  
“A” portion  
Notes:  
* Take utmost care not to short-circuit the (+) and (–) terminals, as this will deteriorate the battery unit.  
* Never clean the rechargeable battery unit, as it is an electronic part containing an IC.  
20 Circuit block cover A screw  
Before tightening the circuit block cover A screw,  
check that the pivots of the generating rotor and  
intermediate wheel for generating rotor, “A” and  
“B” portions in the illustration, respectively, are  
securely set to the oscillating weight bridge.  
“B” portion  
“A” portion  
10  
Lubricating:  
: Moebius A  
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Cal. 5J32A  
TECHNICAL GUIDE  
27 Oscillating weight bridge  
29 Intermediate wheel for generating rotor  
32 Generating rotor  
· Lubricate the ball-bearing of the oscillating weight bridge as shown below before reassembling it to  
the main plate.  
· Lubricate the upper and lower pivots and other portions of the generating rotor and intermediate  
wheel for generating rotor as shown in the illustration.  
Oscillating weight bridge  
Intermediate wheel for generating rotor  
Intermediate wheel  
for generating rotor  
Generating  
rotor  
Note: Be sure to observe the position, type of oil and quantity of the lubrication specified in the  
illustration.  
28 Circuit block  
The portions indicated by the arrows in the  
illustration have elasticity and are made tight for  
the guide tubes to which they are set. After  
setting the circuit block, press down those  
portions to make sure that it is well seated.  
34 Second wheel and pinion  
35 Intermediate second wheel  
36 Fourth wheel and pinion  
37 Third wheel and pinion  
38 Second rotor  
39 Hour and minute rotor  
40 Setting wheel  
41 Intermediate minute wheel  
42 Minute wheel and pinion  
For the discrimination and setting position of these parts, refer to the table on the next page.  
Lubricating:  
: Moebius A  
11  
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Cal. 5J32A  
TECHNICAL GUIDE  
38 Second rotor  
36 Fourth wheel and pinion  
37 Third wheel and pinion  
39 Hour and minute rotor  
35 Intermediate second wheel  
40 Setting wheel  
34 Second wheel and pinion  
42 Minute wheel and pinion  
41 Intermediate minute wheel  
Case back side  
Main plate side  
Note: Do not set the intermediate  
minute wheel upside down.  
Lubricating  
For the lubrication of these parts, refer to the illustrations below.  
Note: Be sure to observe the position, type of oil and quantity of lubrication specified in the illustration.  
Minute wheel  
and pinion  
Third wheel  
and pinion  
Fourth wheel  
and pinion  
Hour and  
minute rotor  
Intermediate  
minute wheel  
Setting wheel  
Center wheel and pinion  
Lubricating:  
: Moebius A  
: Moebius F  
12  
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Cal. 5J32A  
TECHNICAL GUIDE  
Notes:  
Second  
rotor  
Intermediate  
second wheel  
Second wheel  
and pinion  
* Lubricate the minute wheel and pinion before  
reassembling it to the train wheel bridge. When  
lubricating it, take care not to stain the pinion with oil.  
* Do not lubricate the lower pivots of the third wheel and  
pinion and intermediate second wheel excessively. Be  
sure to observe the specified quantity.  
43 Spacer for center wheel and pinion  
Setting position  
See the illustration at right.  
How to install  
“A” and “B” portions have elasticity and  
are made tight for the guide tubes to which  
they are set. After setting the spacer for  
center wheel and pinion, press down those  
portions so that it is well seated in position.  
Note: Take utmost care not to deform or  
damage the portion that makes  
contact with the center wheel and  
pinion.  
“A” portion  
“B” portion  
48 Setting lever spring screw  
49 Setting lever spring  
How to install  
· Check that the setting lever spring is  
securely set in position before tightening  
the setting lever spring screw.  
Setting lever spring  
· Then, gently bend the spring portion of  
the setting lever spring so that it catches  
the tube of the setting lever.  
Setting lever spring screw  
Note: Take care not to bend the spring  
Tube of the setting lever  
portion more than necessary.  
Lubricating  
See the illustration at right.  
Lubricating:  
: Moebius A  
: Moebius F  
: SEIKO Watch Oil S-6  
13  
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Cal. 5J32A  
TECHNICAL GUIDE  
50 Setting lever  
“A” portion  
51 Yoke  
52 Train wheel setting lever  
Yoke  
Make sure that the spring portion of the yoke  
(“A” in the illustration) makes secure contact  
with the pin.  
Note: If a defective contact occurs between  
the spring portion of the yoke and the  
pin, the manual power save function  
may not be activated.  
Setting lever  
Lubricating  
Clutch wheel  
See the illustration at right.  
When installing the setting lever, insert the  
tube on its underside properly into the long  
slot of the train wheel setting lever (“B” in the  
illustration). To facilitate the setting procedure,  
push the train wheel setting lever in the  
direction of the arrow in the illustration before  
installing the setting lever.  
“B” portion  
Train wheel setting lever  
59 Power saving switch lead pin  
Do not remove the power saving switch lead pin  
except when necessary.  
Power saving switch  
lead pin  
When installing the power saving switch lead pin,  
press it in securely to the circuit block spacer.  
Make sure that there  
is no gap.  
Note: If the power saving switch is not securely fixed  
to the circuit block spacer or if it comes off, the  
manual power save function may not be  
activated.  
Circuit block spacer  
60 Circuit block spacer  
“a”, “b”, “c” and “d” portions in the illustration  
have elasticity and are made tight for the tubes  
of the movement to which they are set. After  
setting the circuit block spacer, press down  
these portions so that it is well seated in  
position.  
d
a
Enlarged view  
of “a” portion  
When pressing in “a” portion, press down  
only the portion indicated by the arrow in the  
enlarged view.  
c
Note: Take care not to damage the shaded  
portion, as this will prevent the smooth  
movement of the setting lever spring.  
b
Lubricating:  
: Moebius A  
14  
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Cal. 5J32A  
TECHNICAL GUIDE  
III. VALUE CHECKING AND ADJUSTMENT  
Coil block resistance  
Second coil block  
:
2.00 K~ 2.45 KΩ  
Hour and minute coil block :  
Coil for driving hands  
: 1.00 K~ 1.20 KΩ  
Coil for detecting generation : 280 ~ 360 Ω  
Note: Measure the coil block resistance after installing each coil block to the movement, checking that  
stable measurements may be obtained.  
* The motor driving the hour and minute hands uses a special driving system so that they move quickly  
to indicate the current time immediately after the time relay function is activated. The hour and minute  
coil block has two layers of coils, one for driving hands and the other for detecting generation, and it is  
necessary to measure the resistance of each layer of coil.  
The illustration below shows the patterns to which the probes of the tester should be applied to measure  
the resistance of the respective coils.  
a
Patterns for checking  
the coil for driving hands  
A
B
Patterns for checking  
the coil for detecting generation  
b
Checking for leakage between coil for driving hands and coil for detecting generation  
* If the hour and minute hands do not move properly when the time relay function is activated, that is, if  
they remain stopped or will not move smoothly, check for the leakage between coil for driving hands  
and coil for detecting generation. This checking is required only if such a problem is found.  
If leakage is detected, replace the hour and minute coil block with a new one.  
How to check the leakage  
1. Make the tester ready for measuring the resistance.  
2. Apply the probes of the tester to 1 “A” and “a”, 2 “A” and “b”, 3 “B” and “a”, and 4 “B” and  
“b”, respectively, to measure the resistance.  
3. If the four measurements obtained are all infinitely great, that is, if the resistance was unable to be  
measured for all the four cases, there is no leakage between coil for driving hands and coil for  
detecting generation. As a guideline, there is a leakage if measurements of less than 2 Kwere  
obtained.  
Generating coil block resistance  
340 ~ 440 Ω  
Note: Measure the generating coil block resistance after installing it to the movement, checking that  
stable measurements are obtained.  
15  
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Cal. 5J32A  
TECHNICAL GUIDE  
Current consumption  
For the whole movement  
(while the hands are moving): Less than 0.70 µA (with 1.55 V supplied from a battery)  
For the circuit block alone Less than 0.13 µA (with 1.55 V supplied from a battery)  
:
* The current consumption for the circuit block alone is approximately equivalent to that obtained while  
the power save function is in operation.  
If the duration of charge is shorter than normal while the watch is left untouched, it is necessary to  
measure the current consumption while the power save function is in operation. In that case, however,  
measure the current consumption for the circuit block alone instead to decide if the watch is defective  
or not.  
How to measure the current consumption for the whole movement (while the hands are moving)  
1. Disassemble unnecessary parts to make the movement ready for the measurement.  
Follow the disassembling procedure illustrated in this manual until you remove the rechargeable  
battery unit, and then, reassemble the oscillating weight. As a result, the rechargeable battery unit,  
insulator for rechargeable battery and rechargeable battery clamp are removed from the movement.  
2. Apply the minus terminal to “a” portion in the illustration and plus terminal to the circuit block cover  
A, respectively.  
“a” portion  
Circuit block cover A  
3. For a few seconds after the probes of the tester are applied to the movement, the IC is in the quick  
start mode, and current consumption cannot be measured properly. To switch the IC from the quick  
start to the normal hand movement mode, move the oscillating weight from side to side continuously  
for more than three seconds with the tester connected to the movement. The IC will detect the  
electricity generation and will be switched to the normal hand movement mode.  
Note: When moving the oscillating weight from side to side, take care lest the minus terminal of the  
tester touches the oscillating weight.  
Oscillating weight  
4. After checking that the IC has been switched to the normal hand movement mode and a stable  
measurement can be obtained, read the measurement.  
If the measurement value remains high or unstable, repeat step “3” above.  
16  
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Cal. 5J32A  
TECHNICAL GUIDE  
Notes:  
* Light may increase the current consumption, resulting in an inaccurate measurement. If the current  
consumption exceeds the standard value, protect the movement from light with a black cloth or the  
like after following step “3” above, and make a measurement again.  
* When the current consumption for the whole movement exceeds the standard value while the current  
consumption for the circuit block alone is within the standard value range, a driving pulse may be  
generated to compensate for the heavy load applied on the gear train, etc. In that case, overhaul and  
clean the movement parts, and then, measure the current consumption for the whole movement again.  
How to measure the current consumption for the circuit block alone  
1. Connect the tester to the circuit block as shown in  
the illustration.  
“A” portion  
2. With the tester connected to the circuit block, short-circuit “A” portion in the illustration and the input  
pattern (–) with a conductive tweezers for approximately 1 second. The IC will be switched from the  
quick start to the normal hand movement mode.  
3. Checking that a stable measurement is obtained, read the current consumption.  
Notes:  
* The current consumption measurement for the circuit block alone is particularly susceptible to light,  
and a value higher than the actual measurement may be obtained if the circuit block is exposed to light.  
Protect the circuit from light with a black cloth or the like after following step “2” above, and then,  
measure the current consumption.  
* If the current consumption for the circuit block alone exceeds the standard value, the duration of the  
charge will be shorter than specified. In that case, replace the circuit block with a new one.  
Checking the automatic generating system  
1. Apply the probes of the tester as shown in the  
illustration, and measure the voltage of the  
rechargeable battery. The obtained voltage is called  
the “initial voltage”.  
Notes:  
* When applying the minus probe of the tester to  
the rechargeable battery, take care not to short-  
circuit the lead terminal (–) and the rechargeable  
battery clamp.  
* If a short-circuit has occurred, leave the watch  
untouched for more than ten minutes, and  
measure the voltage again, checking that a stable  
measurement is obtained.  
17  
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Cal. 5J32A  
TECHNICAL GUIDE  
2. Close the case back tentatively, and swing the watch  
from side to side 200 times at a rate of 2 to 3 swings a  
second, making an arc of approximately 20 cm.  
3. Within 3 minutes after swinging the watch, measure  
the voltage of the rechargeable battery in the same  
manner as in step “1” above.  
4. Refer to the table below, and decide whether the automatic generating system is normal or defective.  
[ Initial voltage and guidelines of normal/defective decision ]  
Initial voltage  
0.45 V ~ 1.0 V  
Guidelines of normal/defective decision  
After charging, the voltage of rechargeable battery has increased 0.1 V or  
more from the initial voltage.  
After charging, the voltage of rechargeable battery has increased 0.05 V or  
more from the initial voltage.  
1.01 V ~ 1.2 V  
* The guidelines specified in the above table apply only when the initial voltage is within the range  
between 0.45 V and 1.2 V.  
* The amount of electricity generated by swinging the watch varies depending on the manner in which  
you swing it, such the rate of swinging and the size of the swinging arc. Please note, therefore, that  
checking through the procedure above provides only the guideline of normal/defective decision.  
[ For your information ]  
1. Number of swings and power reserve  
· When the power reserve in the rechargeable battery is depleted and the watch stops completely,  
swinging it approximately 500 times at a rate of 2 to 3 times a second will start the second hand  
moving at normal one-second intervals instead of two-second intervals. If the second hand still  
moves at two-second intervals after 500 swings, swing the watch further until it moves at one-  
second intervals.  
· While the second hand is moving at one-second intervals, approximately 200 swings will reserve  
up to one day of power.  
2. The number of days over which the watch is worn and power reserve  
· Wearing the watch continuously for 12 hours will accumulate approximately one and a half  
additional days of power reserve.  
If you wear the watch every day for 12 hours over a period of a week, approximately 10 days of power  
reserve will be secured in the rechargeable battery. While the power saving function is in operation  
and the hands are stopped, this amount of power reserve will keep the watch operating for  
approximately 2 months.  
Checking the manual power save and time relay functions  
Cal. 5J32A is equipped with the automatic and the manual power save functions to conserve the stored  
energy and the time relay function to start the hands moving to indicate the current time as the power  
save function is canceled.  
Note: The checking procedure below can be performed only while the watch is operating. If the watch  
stops completely, swing the watch until the second hand starts moving at one-second intervals.  
Swing it further more than 200 times, and then, proceed to the checking procedure.  
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Cal. 5J32A  
TECHNICAL GUIDE  
Checking procedure  
1. Adjust the time of the watch to a base time indicated  
by another watch.  
2. Pull out the crown to the first click and push it back  
in to the normal position within one second. The  
manual power save function is activated, and the  
second hand stops moving.  
Normal position  
First click  
Notes:  
* Take care not to pull out the crown all the way  
to the second click.  
* If this happens by mistake, resume the checking  
procedure from step “1”.  
(Pull out the crown and push it  
back within one second.)  
3. Leave the watch untouched for more than one  
minute, making sure that the power save function  
is in operation.  
4. Swing the watch continuously for 2 to 3 seconds. The watch detects the generation of electricity, and  
the hands move to indicate the current time.  
5. If the time indicated by the watch is identical with the base time used in step “1”, the manual power  
save and time relay functions are normal.  
Note: If the power save function has been in operation for a long term before the time relay function  
is activated, the time indicated by the watch and the base time may differ slightly though the  
watch is normal. This is because the two watches are different in time accuracy and different  
amounts of time loss or gain have accumulated during that time.  
IV. TROUBLESHOOTING GUIDE  
The following are the tips on repairing Cal. 5J32A, which you will find helpful in working on the watch.  
Important functions characteristic of Cal. 5J32A  
1) The power save function is activated after the watch is left untouched for approximately 72 hours.  
2) The manual power save function is activated by pulling out the crown to the first click and pushing  
it in to the normal position within one second.  
3) While the second hand is moving at two-second intervals, the power save function cannot be  
activated either automatically or manually.  
4) If the crown is pulled out to the second click while the power save function is in operation, the time  
computed by the built-in IC will be canceled, thus disabling the time relay function.  
5) The built-in IC does not compute the date, and the time relay function will not adjust the date. If the  
power save function has been active for more than one day before the time relay function is activated,  
it is necessary to adjust the date to the current date.  
6) The accuracy of the time computed by the built-in IC while the power save function is in operation  
is equivalent to that of conventional quartz watches. If the power save function has been active for  
a long term before the time relay function is activated, the time indicated by the hands may include  
a certain amount of time loss or gain that has accumulated during that time.  
7) If the power reserve is depleted while the power save function is in operation, the time relay function  
may not be activated by swinging the watch, Instead, the second hand starts moving at two-second  
intervals.  
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Cal. 5J32A  
TECHNICAL GUIDE  
Problems, causes and methods of repair  
See the  
page below.  
Problems  
Possible causes  
Methods of repair and checking  
The quickness of the  
hand movement after  
the activation of the  
time relay function has  
reduced a little.  
1) The coil for detecting 1) Check the resistance of the coil for  
Page 15  
generation of the hour and  
minute coil block is broken.  
detecting generation. Replace the hour  
and minute coil block if the coil is broken.  
The oscillating weight  
rotates at an abnormally  
high rate, and no  
1) The coil of the generating 1) Check the resistance of the generating  
Page 15  
Page 11  
coil block is broken.  
coil block. Replace the generating coil  
block if the coil is broken.  
charging is made.  
2) Remove the broken piece of the  
generating rotor, and replace and  
lubricate the generating rotor. (Overhaul  
and clean if necessary.)  
2) The pivot of the generating  
rotor is broken. (The pinion  
of the generating rotor and  
the gear of the intermediate  
wheel for generating rotor  
are out of mesh.)  
The oscillating weight  
will not rotate.  
1) The gear of the oscillating 1) If the gear of the oscillating weight and  
Page 10  
Page 11  
weight and the pinion of the  
intermediate wheel for  
generating rotor are out of  
mesh.  
the pinion of the intermediate wheel for  
generating rotor are intact, reassemble  
them to the movement.  
2) The pivot of the generating  
rotor is broken. (The pinion  
of the generating rotor and  
the gear of the intermediate  
wheel for generating rotor  
engage with each other.)  
2) Remove the broken piece of the  
generating rotor, and replace and  
lubricate the generating rotor. (Overhaul  
and clean if necessary.)  
The current consump-  
tion for the whole of the  
movement exceeds the  
standard value.  
1) When the measurement is 1) After connecting the tester, move the  
Page 16  
Page 17  
made, the IC is still in the  
quick start mode. (When the  
current consumption  
measures about 200 µA, it is  
likely that the IC is in the  
quick start mode.)  
oscillating weight more quickly for a  
longer period of time, and then, make  
the measurement again.  
2) If the current consumption for the circuit  
block alone is within the standard value  
range, overhaul and clean the movement  
parts, and then, make the measurement  
again.  
2) The load applied on the gear  
train, etc. has increased, and  
the driving pulse to compen-  
sate it has been generated.  
The current consump-  
tion for the circuit block  
alone exceeds the  
standard value.  
1) The light from outside the 1) Shut out the light, and make the  
Page 17  
Page 17  
movement is affecting the  
measurement.  
measurement again.  
2) When the measurement is  
made, the IC is still in the  
quick start mode. (When the  
current consumption  
measures about 200 µA, it is  
likely that the IC is in the  
quick start mode.)  
2) Switch the IC to the normal mode, and  
make the measurement again.  
3) The IC is out of order.  
3) Replace the circuit block.  
The manual power save 1) The energy depletion 1) Swing the watch until the second hand  
Page 18  
function cannot be  
activated.  
forewarning function is in  
operation.  
moves at one-second intervals, and then,  
check if the manual power save function  
is activated.  
2) Check if the power save switch lead pin  
is set in position. Check if the yoke  
functions properly.  
2) The power save switch lead  
pin is not in contact with the  
yoke.  
Page 14  
Page 14  
3) Check if the spring portion of the yoke  
catches the pin of the movement while  
making contact with it.  
3) The yoke and the movement  
do not conduct electricity.  
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Cal. 5J32A  
TECHNICAL GUIDE  
See the  
page below.  
Problems  
Possible causes  
Methods of repair and checking  
1) The energy stored in the 1) Swing the watch until the second hand  
Page 18  
Page 15  
Page 15  
Page 9  
Swinging the watch  
while the power save  
function is active will not  
activate the time relay  
function. (Swinging the  
watch starts the second  
hand moving at two-  
second intervals.)  
rechargeable battery has  
been depleted while the  
power save function is in  
operation.  
moves at one-second intervals, and  
activate the power save function  
manually to check if the time relay  
function can be activated.  
Swinging the watch 1) There is electric leakage 1) Check for leakage of the hour and minute  
while the power save  
function is active will not  
activate the time relay  
function. (Swinging the  
watch will not start the  
second hand moving at  
all.)  
inside the hour and minute  
coil block.  
coil block. Replace the part if leakage is  
detected.  
After the time relay  
function is activated,  
the hands do not make  
the quick movement  
smoothly, or the hands  
indicate a time that  
differs greatly from the  
correct time.  
1) There is electric leakage 1) Check for leakage of the hour and minute  
inside the hour and minute  
coil block.  
coil block. Replace the part if leakage is  
detected.  
The date numeral does  
not appear in the center  
of the calendar frame.  
1) As the date driving wheel 1) Correct the deformation of the date  
spring is deformed, the date  
driving wheel does not  
contact with the intermediate  
date driving wheel, thus  
making the date driving  
wheel turn irregularly.  
driving wheel spring. Replace the date  
driving wheel if it is deformed to the  
extent that the correction is impossible.  
* For the troubleshooting of such defects as conventional quartz watches have in common, refer to the  
“TECHNICAL GUIDE, GENERAL INSTRUCTIONS”.  
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Cal. 5J32A  
Interchangeability among the new 5J32 parts and existing 5JCAL. series parts  
5J32  
5J22  
5J21  
CAL.  
Part name  
Part code  
0125556  
Train wheel  
bridge  
0125557  
0261553  
0261552  
Minute wheel  
and pinion  
0282523  
Clutch wheel  
0282522  
4408524  
4408521  
4408523  
0100556  
0100557  
0100558  
Circuit block  
spacer  
* Dedicated part code  
for 5J21 only  
Main plate  
* Dedicated part code  
for 5J21 only  
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Cal. 5J32A  
Identification of 5J series circuit blocks  
CAL.  
5J32  
5J22  
5J21  
Part code  
4000516  
4000689  
4000679  
*
*
External  
appearance  
* Some circuit blocks have a  
hole shown in dotted line.  
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2002-4  
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