Seiko Group Watch 9T82A User Guide

PARTS CATALOGUE/TECHNICALGUIDE  
Cal. 9T82A  
(For Movement Replacement)  
[SPECIFICATIONS]  
Cal. No.  
9T82A  
Item  
Movement  
(x 1.0)  
Movement  
size  
Outside diameter  
Casing diameter  
Height  
ø33.0 mm  
ø30.0 mm  
6.8 mm  
Time indication  
• Time: Hour, minute and second hands  
• Stopwatch: Stopwatch hour, minute, second and 1/10 second hands  
Driving system  
Step motor (Load compensated driving pulse type)  
• Automatic generating system  
Additional mechanism  
• Stopwatch function with stopwatch hour, minute, second and 1/10  
second hands  
• Overcharge prevention function  
• Energy depletion forewarning function  
• Electronic circuit reset switch  
• Train wheel setting device  
• Date calendar  
• Instant setting device for date calendar  
• Instant date change mechanism  
Loss/gain  
Monthly rate at normal temperature range: less than 15 seconds  
Logical regulation system  
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  
0.45 V ~ 2.2 V  
Operating voltage range  
Duration of charge  
From full charge to stoppage: Approx. 1 month (when the stopwatch  
is used for less than 3 hours a day)  
Jewels  
38 jewels  
1
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PARTS CATALOGUE  
Cal. 9T82A  
8
Hour, minute and second hand  
(page 6)  
9
Stopwatch 1/10 second hand  
(page 7)  
10 Stopwatch second hand  
(page 7)  
11 Stopwatch hour and minute hands  
(page 7)  
12 Dial  
(page 7)  
* When reassembling the watch, be sure to use a new set of stopwatch hands.  
If the old stopwatch hands are reused, they may come off from the shock when they are reset to “0”  
position.  
Please see the page shown after the part name.  
3
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Cal. 9T82A  
TECHNICAL GUIDE  
I.  
REMARKS ON DISASSEMBLING AND REASSEMBLING  
For conventional type  
1
Case back  
· To fix the case back to the case, the case back itself is screwed into the case, or the case back screws  
are used, depending on models.  
· For the models using the case back screws, use the adhesive “LOCTITE 241” to prevent them from  
loosening.  
Note: Never use an adhesive other than “LOCTITE 241” for fixing the case back screws.  
How to fix the case back with the case back screws and the adhesive  
Case back screw  
1. Wipe any adhesive, oil, dust or dirt off the screws and the  
holes for screws on the case with alcohol.  
2. Before setting the case back to the case, apply a proper  
amount of the adhesive to the holes for screws as shown  
Case back  
at right.  
3. Set the case back to the case and then, tighten the case  
back screws firmly.  
* Tighten the screws one by one in diagonal direction.  
* After tightening once, give the screws another turn to  
fix them securely.  
Case  
4. Leave the watch untouched at room temperature for  
about one day until the adhesive is completely hardened.  
Adhesive  
Notes:  
* Apply only a necessary amount of adhesive to the hole lest it should come out on the case.  
* Take care not to let the adhesive stick to the inner surface of the case.  
4
Casing clamp  
How to remove  
A
Loosen the casing clamp screws at the 3 and 9  
o’clock sides and remove the casing clamps.  
Casing clamp  
How to install  
B
Set the casing clamps at the 3 and 9 o’clock positions  
9 o’clock side  
as shown in the illustrations at right, and tighten the  
casing clamp screws securely.  
B
Note: The movement is fixed to the case by fitting  
“A” and “B” portions of the casing clamp  
securely in the groove of the case. When  
setting the casing clamp to the movement,  
therefore, check that “A” and “B” portions  
are equally protruded from the movement  
A
edge, and then, tighten the casing clamp  
screw firmly.  
3 o’clock side  
4
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Cal. 9T82A  
TECHNICAL GUIDE  
5
Winding stem with crown  
The crown gasket is attached inside the stem pipe of  
the case.  
Lubricating  
Apply the silicone oil to the portion of the crown as  
indicated in the illustration at right. Insert the  
winding stem into the stem pipe, and turn the crown  
so that the silicone oil is spread thoroughly over the  
crown gasket.  
6
Movement  
When installing the movement into the case, first set its 12 o’clock side to the case and then, other sides.  
Otherwise, the movement may not be fitted in smoothly.  
For one-piece case type  
1
Bezel screw  
Remarks on the adhesive  
· An adhesive is used to fix the bezel screws.  
· Be sure to use the adhesive “LOCTITE 241” to fix the bezel screws.  
Note: Never use an adhesive other than “LOCTITE 241” for fixing the bezel screws.  
Bezel screw  
How to fix the bezel screws with the adhesive  
Bezel  
1. Wipe any adhesive, oil, dust or dirt off the  
screws and the holes for screws on the case with  
alcohol.  
2. Before setting the bezel to the case, apply a  
proper amount of the adhesive to the holes for  
screws as shown at right.  
3. Set the bezel to the case and then, tighten the  
bezel screws firmly.  
* Tighten the screws one by one in diagonal  
direction.  
* After tightening once, give the screws another  
turn to fix them securely.  
Case  
4. Leave the watch untouched at room temperature  
Adhesive  
for about one day until the adhesive is completely  
hardened.  
Notes:  
* When tightening the bezel screws, use a screwdriver having a flattened tip of a size corresponding  
to that of the screws. Take care not to damage the slots of the bezel screws, bezel or case.  
* Apply only a necessary amount of adhesive to the hole lest it should come out on the case.  
* Take care not to let the adhesive stick to the inner surface of the case.  
5
Lubricating:  
: Silicone oil 500,000 c.s.  
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Cal. 9T82A  
TECHNICAL GUIDE  
3
Bezel gasket  
Never apply the silicone oil to the bezel gasket. Otherwise, the silicone oil may spread to the dial or other  
parts, causing malfunctions.  
4
Winding stem with crown  
How to remove  
Push the lever for unlocking stem between the dial and the case vertically down with tweezers, and  
remove the winding stem with crown.  
For both types  
7
8
Buttons  
Lubricating  
Apply SEIKO Watch Oil S-6 to the end portions of the buttons that touch the lever.  
Hour, minute and second hands  
How to install the hour hand  
The watch is provided with the instant date change mechanism. In order for the date to change at  
the exact time, install the hands following the procedure below.  
1. Slowly turn the crown counterclockwise.  
Stop turning the crown when the date has  
changed.  
Install the hour hand so that  
its tip points to the right end  
of the 12 o’clock marker.  
2. Install the hour hand so that it points slightly  
ahead of the 12 o’clock marker (See the  
illustration at right).  
Hour hand  
3. Install the minute and second hands so  
that they point exactly to the center of the  
12 o’clock marker.  
Notes:  
* Check clearance among the hands at the 12,  
3, 6 and 9 o’clock positions lest they should  
touch one another.  
* Some models have hands coated with  
LumiBrite. When handling the hands,  
therefore, take care not to damage the  
LumiBrite coating.  
6
Lubricating:  
: SEIKO Watch Oil S-6  
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Cal. 9T82A  
TECHNICAL GUIDE  
9
Stopwatch 1/10 second hand  
10 Stopwatch second hand  
11 Stopwatch hour and minute hands  
* When reassembling the watch, be sure to use a new set of stopwatch hands.  
If the old stopwatch hands are reused, they may come off from the shock when they are reset to “0”  
position.  
How to install  
1. Reset the stopwatch to “00”.  
When the stopwatch is properly reset to “00”, the hammer appears in the eyehole “A” as shown  
below.  
Hammer  
When the stopwatch  
is reset to “00”  
When the stopwatch  
is not reset to “00”  
[
]
[
]
2. Set all the stopwatch hands accurately to the 12 o’clock position, and push them in completely.  
“D”-shaped notch  
Notes:  
* Push in the hand securely until the lower end of the  
hand installing pipe (“A” in the illustration) reaches  
below the “D”-shaped notch of the arbor.  
* Check that the stopwatch hour and minute hands do  
not touch each other.  
A
Eccentric post  
12 Dial  
The dial is fitted to the movement by fixing the two dial  
legs with the eccentric posts.  
How to remove  
Turn the eccentric posts counterclockwise to release  
the dial legs, and remove the dial.  
How to install  
Set the dial in position. While pressing down the dial  
at the 12 o’clock side so that the dial is well-seated on  
the movement, turn the eccentric posts clockwise to  
fix the two dial legs.  
Note: If metal chips are generated from the eccentric  
posts, be sure to remove them.  
7
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Cal. 9T82A  
TECHNICAL GUIDE  
II. VALUE CHECKING AND ADJUSTMENT  
Resetting the stopwatch hands to “0” position  
Repeat “START” – “STOP” – “RESET” of the stopwatch several times to check if each of the three  
stopwatch hands returns to “0” position securely.  
Checking the time period of date change  
Specified time period of date change: 0:00 a.m. ~ 0:03 a.m.  
With the crown at the second click, advance the hour and minute hands until the date changes. Check if  
the date changes within the time period specified above.  
Remarks on measuring time accuracy  
To measure the time accuracy, be sure to reset the stopwatch to “00”. If the accuracy measurement is made  
while the stopwatch is counting, stable measurements may not be obtained.  
Current consumption  
Current consumption measurement of Cal. 9T82A requires special tools, and the movement could be  
damaged during the procedure of current consumption measurement. We do not recommend, therefore,  
that you measure the current consumption for checking. It can be assumed that the current consumption  
is within the standard range as long as the movement is kept under proper conditions.  
* Printed on recycled paper.  
2001-2 Printed in Japan  
8
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