You are now the proud owner of a SEIKO Analogue Quartz Watch Cal. 7T84. For best results,
please read the instructions in this booklet carefully before using your SEIKO Analogue Quartz
Watch. Please keep this manual handy for ready reference.
CONTENTS
Sie sind jetzt Besitzer einer SEIKO Analog-Quarzuhr Kal. 7T84. Bitte lesen Sie diese
Bedienungsanleitung vor Verwendung der Uhr sorgfältig durch und heben Sie sie gut auf.
FEATURES..................................................................................................... 4
DISPLAY.&.BUTTONS.................................................................................. 5
SCREW.LOCK.TYPE.CROWN...................................................................... 6
CROWN.WITh.DRIvINg.WhEEL................................................................. 7
MODE.ChANgE............................................................................................ 8
TIME.MODE.................................................................................................. 10
YAChT.TIMER.MODE................................................................................... 13
TIMER.MODE................................................................................................ 22
STOPWATCh.MODE.................................................................................... 24
ALARM.MODE.............................................................................................. 26
LOCAL.TIME.MODE..................................................................................... 31
BATTERY.ChANgE....................................................................................... 32
NECESSARY.PROCEDURE.AFTER.BATTERY.ChANgE............................ 34
hAND.POSITION.ADJUSTMENT................................................................ 35
TROUBLEShOOTINg................................................................................... 38
SPECIFICATIONS.......................................................................................... 40
Vous voici l’heureux propriétaire d’une montre quartz analogique SEIKO Cal. 7T84. Pour obtenir
d’excellentes performances de cet article SEIKO, veuillez lire attentivement cette brochure que
vous conserverez pour toute référence ultérieure.
Grazie di aver aquistato questo orologio SEIKO Analogico al Quarzo Cal. 7T84. Per ottenere
i migliori possibili risultati da questo orologio, leggere attentamente le istruzioni di questo
manuale prima di utilizzare l'orologio stesso. Conservare poi il manuale stesso per ogni
qualsiasi eventuale futura consultazione.
Enhorabuena por su adquisición de un reloj SEIKO analógico de cuarzo Cal. 7T84. Para óptimo
resultado, lea detenidamente las instrucciones de este folleto antes de usar el reloj. Guarde
este manual para consulta posterior.
Você pode sentir-se orgulhoso de possuir um Relógio SEIKO Quartz Análogo Cal. 7T84. Para
obter os melhores resultados, leia atentamente as instruções contidas neste opúsculo antes
de usar o seu Relógio SEIKO Quartz Análogo. Queira conservar este manual para referências
futuras.
7T84
I For the care of your watch, see TO PRESERVE THE QUALITY OF YOUR
WATCH in the attached Worldwide Guarantee and Instruction Booklet.
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ꢀ
SCREW LOCK TYPE CROWN
CROWN WITH DRIvINg WHEEL
Some models may have a screw-lock mechanism that can securely lock the
u
Some models may have a crown with a special structure as illustrated
below. Refer to the following instructions when operating this type of
crown, as it should be operated in a different way from that of ordinary
ones.
u
u
u
crown by screw when they are not being operated.
Locking the crown will help to prevent any operational errors and enhance
the water resistant quality of the watch.
It is necessary to unlock the screw lock type crown before operating it.
Once you have finished operating the crown, make sure to relock it.
Normal position
Second click position
First click position
How to use the screw lock type crown
Keep the crown securely locked unless you need to operate it.
[How to unlock the screw lock type crown]
Turn the crown counterclockwise.
l
The crown is unlocked and can be operated.
Crown
[How to lock the screw lock type crown]
A
Once you have finished operating the crown, turn it
clockwise while gently pressing it in toward the watch
body until it stops.
B
B
A
Driving wheel
*
When locking the crown, turn it slowly with care, ensuring that
the screw is properly engaged. Be careful not to forcibly push
it in, as doing so may damage the screw hole in the case.
To pull out the crown, pull out the A portion (crown).
To turn the crown, turn the B portion (driving wheel).
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6
7
With each press of button A, the mode indicator turns in the following
order to show the selected mode.
MODE CHANgE
Mode indicator
YACHT TIMER mode
(5-minute timer)
YACHT TIMER mode
(6-minute timer)
YACHT TIMER mode
(10-minute timer)
TIME mode
Pull out to first click.
CROWN
A
A
Press to set the mode indicator
pointing at your desired mode.
*
When the mode changes to the TIME mode from
the LOCAL TIME mode, the mode indicator turns
counterclockwise.
Upon completion of selecting the
desired mode, push back in to normal
position.
CROWN
TIMER mode
LOCAL TIME mode
ALARM mode
STOPWATCH mode
*
While any one of the timers among 5-minute, 6-minute, 10-minue in the YACHT
TIMER mode or the timer in TIMER mode is measuring, you cannot use another
timer at the same time. Therefore, the mode indicator will not move to indicate
any other timer modes unless it is stopped.
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8
ꢂ
TIME MODE
Time setting procedures include hand settings of the main watch and small
watch to the current time.
Minute hand
Hour hand
Turn to set the time of the main
watch.
CROWN
l
*
The moment the date changes is
midnight. When setting the hour hand,
be sure that AM/PM is set correctly.
l
The hands should be correctly aligned to the 0 position (initial position)
before starting to set the time. If they are not correctly aligned to the 0
position, it is necessary to correct their alignment before setting the time.
To correct the hand alignment, refer to HAND POSITION ADJUSTMENT.
MODE SELECT
*
While doing so, set the minute hand 4 to
5 minutes ahead of the correct time, and
then slowly move it back to the exact
minute(s).
How to set the time (main watch and small watch)
l
Small second hand
Pull out to second click when the
small second hand is at the 12 o’clock
position.
CROWN
Press to set the time for the small
watch.
With each press of button B the
small watch hands will advance 1
minute. Pressing and holding button
B will advance the small watch hands
rapidly.
B
The small second hand will stop on
the spot.
MODE SELECT
*
If the crown is pulled out while the timer
or stopwatch is measuring time, the
measurement will be forcibly terminated
and the timer or the stopwatch will be
reset.
B
Upon completion of all settings,
push back in to normal position
simultaneously with a time signal.
CROWN
Small watch
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10
11
How to set the date
l
YACHT TIMER MODE
u
Yacht timer combines the functions of a count down timer and a stop watch
that starts operating automatically when the timer finishes counting down.
This function is particularly useful in yacht racing.
u
Date setting should always be carried out after the time is correctly set.
Manual date adjustment is required on the first day after a month that has
less than ꢀ1 days: February, April, June, September and November.
u
Yacht timer operation
There are ꢀ pre-set yachting timer modes: ꢁ-minute, 6-minute and
10-minute timers.
Upon activating the yacht timer function, the selected yacht timer starts
counting down in 1-second increments.
The remaining time is indicated by the center hand and the two hands
of the small watch, which turn counterclockwise while the yacht timer is
counting down.
When the yacht timer finishes counting down, the beep will sound
indicating that time is up and the measurement is automatically switched
to the stopwatch.
The stopwatch can measure 12 hours in 1-second increments. When the
measurement reaches 12 hours, the stopwatch automatically stops.
l
Pull out to first click.
CROWN
•
•
•
Turn clockwise to set the date.
CROWN
*
While you are setting the date, do not
press either button A or B, as pressing
button A or B while the crown is at
the first click position can change
the mode and the settings in some
modes.
•
•
*
Do not set the date during any time
between 9:00 P.M. and 1:00 A.M.
Date setting during this time period
may cause failure of date change on
the following day.
Push back in to normal position.
CROWN
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12
1ꢀ
•
The illustration below shows the operation of yacht timer using a
ꢁ-minute yacht timer as an example.
How to use the yacht timer
l
Pull out to first click.
Start/Stop
CROWN
A
Stopwatch automtically starts when the timer
finishes counting down.
Yacht timer starts
(button A)
5
1
A
5”00
Press to set the mode indicator
pointing at your desired yacht timer.
Yacht timer
Stopwatch
Yacht timer operation
After 12 hours, the stopwatch
automtically stops.
Elapsed time
Push back in to normal position.
Press to start the yacht timer.
CROWN
A
*
*
Only one yacht timer can be used at one time.
You cannot change the selected timer while it is working. To change
the timer, it is necessary to stop the currently working timer first, and
then change to another.
When the timer is changed to another timer, the previously selected
timer will be automatically cancelled.
B
Reset
*
In a yacht race, start the yacht timer
simultaneously with the warning signal.
8
*
The operation method of the yacht timer
is the same as that of the timer in the
TIMER mode.
*
<TIMER OPERATION>
A
START
A
STOP
B
RESET
*
Yacht timer can be reset only when the
timer is stopped.
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14
1ꢁ
How to read the yacht timer measurement
Automatic relay function of the stopwatch
l
l
l
u
u
u
u
When the yacht timer finishes counting down, the measurement is automatically
switched to the stopwatch.
u
The center hand indicates the remaining minutes and the long hand of the
small watch indicates the remaining seconds. When the remaining time
is shorter than 60 seconds, the center hand also begins to countdown in
one second incerements.
The stopwatch can measure 12 hours in 1-second increments. When the
measurement reaches 12 hours, the stopwatch automatically stops.
Measured time is indicated by the center hand and the hour and minute hands
of the small watch.
Split time measurement is possible.
Example: Display when the remaining time is 4 minutes and ꢀꢁ seconds
in a ꢁ-minute yacht timer measurement
How to reset the yacht timer
To reset the yacht timer, it is necessary to stop the stopwatch.
While the STOPWATCH hands are moving
5
1
Center hand: 4 minutes
1. Press button A to stop the stopwatch.
2. Press button B to reset the yacht timer.
While the STOPWATCH hands are stopped
[When the stopwatch is stopped]
Numbers on the outer circle indicates the
remaining minutes of the timer.
0
15
1. Press button B to reset the yacht timer.
[When the split time measurement is displayed while the stopwatch is measuring.]
6
Long hand of the small watch: 35 seconds
8
1. Press button B to fast-forward the stopwatch hands. Subsequently the
stopwatch hands return to the ongoing measurement movement.
*
The center hand and the two hands of the small watch turn counterclockwise
while the yacht timer is counting down.
When the yacht timer finishes counting down, the time up beep will sound.
The short hand of the small watch also indicates the remaining minutes.
2. Press button A to stop the stopwatch.
ꢀ. Press button B to reset the yacht timer.
[When the split time measurement is displayed and the stopwatch is stopped.]
*
*
*
1. Press button B to fast-forward the stopwatch hands. Subsequently the
The display of the yacht timer is the same with that of the timer in the TIMER
stopwatch hands will stop.
mode.
2. Press button B to reset the stopwatch.
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16
17
YACHT TIMER-STOPWATCH OPERATIONAL FLOW
<STANDARD MEASUREMENT FOLLOWING YACHT TIMER>
Restart setting function
l
u
Yacht timer mode features a restart setting function, which enables you
to restart the measurement correctly and easily after an interruption
during the stopwatch measurement. This function is particularly useful
when you have to restart after a premature start in a yacht race.
Yacht timer finishes counting down.
A
B
RESET
Stopwatch automatically starts.
STOP
u
u
u
u
The restart setting function can be used anytime while the stopwatch is
measuring following the yacht timer counting.
Pressing button A for approximately 2 seconds will activate the restart
setting function.
Restart of the measurement will be made at regular intervals from the
initial start of the measurement.
The intervals between the initial start of the measurement and the
subsequent restarts are automatically decided according to the selected
yacht timer which had finished its counting before the stopwatch had
started.
<ACCUMULATED ELAPSED TIME MEASUREMENT FOLLOWING YACHT TIMER>
Yacht timer finishes counting down.
A
STOP
A
RESTART
A
STOP
B
RESET
Stopwatch automatically starts.
*Restart and stop can be repeated as many times as required by pressing button A.
<SPLIT TIME MEASUREMENT FOLLOWING YACHT TIMER>
Yacht timer finishes counting down.
B
B
SPLIT
A
STOP
B
RESET
Stopwatch automatically starts.
SPLIT
RELEACE
*Measurement and release of the split times can be repeated as many times as
required by pressing button B.
<MEASUREMENT OF TWO COMPETING YACHTS>
Yacht timer finishes counting down.
A
B
B
B
Stopwatch automatically starts.FINISH TIME
2ND
RESET
FINISH TIME
COMPETITOR
OF 1ST
OF 2ND
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COMPETITOR
18
1ꢂ
Example: When the restart setting function is activated during the stopwatch
measurement after the ꢁ-minute yacht timer finishes counting
down , and 4 minutes has elapsed since then.
u
For actual yacht racing, the restart setting function can be used in ꢁ
minute yacht timer measurements as follows:
<Example of use of the restart setting function in racing where the time
from the warning signal to start signal is defined as ꢁ minutes, and the time
from the start signal to restart signal is defined as 10 minutes>
Keep pressing button A
for 2 seconds
(Timer restarts.)
Restart signal
Warning signal
Start signal General recall signal
Yacht timer starts.
Race proceedings <5 minutes prior to start>
<4 minutes after start>
(button A)
Stopwatch starts.
Stopwatch restarts.
5”00 interval
5”00 interval
Stopwatch
Keep pressing button A
5”00 interval
5”00 interval
for 2 seconds
Yacht timer operation
(Timer restarts.)
Timer
5”00 elapsed
Elapsed time
Timer
Stopwatch
Yacht timer starts.
(button A)
Stopwatch starts.
5”00 interval
Stopwatch
7”30 elapsed
Stopwatch restarts.
4”00 elapsed
5”00
interval
Timer starts from 1”00 to go.
5”00 interval
Yacht timer operation
Timer
Timer
5”00 elapsed
Elapsed time
Stopwatch
*
*
For the 5-minute yacht timer, restarts of the stopwatch occur at
5-minute intervals from the start of measurement.
For the 6-minute or 10-minute yacht timer, restarts of the stopwatch
occur at 6-minute or 10-minute intervals respectively from the start of
measurement.
Timer starts
from 2”30 to go.
*
*
The general recall signal is a signal issued when a number of yachts make
false starts or violate racing rules and the race committee is unable to
identify or the starting procedures are incorrect.
For detailed rules on yacht racing, check the appropriate racing rules of
each race.
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20
21
TIMER MODE
Example: Timer mode display when the timer is set for 4 minutes
u
u
The timer can be set to a maximum of 1ꢁ minutes in 1-minute increments.
The remaining time is indicated by the center hand and the two hands of
the small watch, which turn counterclockwise while the timer is counting
down.
5
1
*
*
If you press button B once again after the
timer time is set for 15 minutes, the timer time
returns to one minute.
u
When the timer finishes counting down, the beep will sound indicating that
the time is up.
The set timer time will be retained even if the
TIMER mode is changed to another mode.
How to use the timer
l
8
5
1
A
Pull out to first click.
CROWN
A
*
*
The operation method of the timer is the same with that of the yacht timer.
For details, refer to l How to use the yacht timer and l How to read the yacht
timer measurement.
The automatic relay function of the stopwatch cannot be activated in the TIMER
mode.
Press to set the mode indicator
pointing at the TIMER mode.
Press to set the center hand to show
your desired timer time.
B
<TIMER OPERATION>
B
*
With each press of button B, the center
hand moves one minute forward, adding
one minute to the timer time.
8
A
A
STOP
B
RESET
*
The numbers on the outer circle
of the dial indicated by the center
hand shows the timer time. (The
short hand of the small watch
also indicates the timer time.)
START
Push back in to normal position.
Now the timer is ready for use.
CROWN
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22
2ꢀ
Stopwatch operation
<STANDARD MEASUREMENT>
l
STOPWATCH MODE
u
The stopwatch can measure up to 12 hours in 1/ꢁ-second increments.
When the measurement reaches 12 hours, the stopwatch automatically
stops.
A
STOP
A
B
RESET
START
u
u
Measured time is indicated by the center hand and the two hands of the
small watch.
Split time measurement is possible.
<ACCUMULATED ELAPSED TIME MEASUREMENT>
A
RESTART
A
STOP
A
START
A
STOP
B
RESET
How to reset the stopwatch
l
*Restart and stop can be repeated as many times as required by pressing button A.
While the STOPWATCH hands are moving
1. Press button A to stop the stopwatch.
2. Press button B to reset the stopwatch.
While the STOPWATCH hands are stopped
[When the stopwatch is stopped]
<SPLIT TIME MEASUREMENT>
B
B
SPLIT
A
A
STOP
B
RESET
SPLIT
START
RELEACE
1. Press button B to reset the stopwatch.
[When the split time measurement is displayed while the stopwatch is measuring.]
*Measurement and release of the split times can be repeated as many times as
required by pressing button B.
<MEASUREMENT OF TWO COMPETITORS>
1. Press button B to release the split time display and return to the ongoing
measurement movement.
2. Press button A to stop the stopwatch
ꢀ. Press button B to reset the stopwatch
[When the split time measurement is displayed and the stopwatch is stopped.]
1. Press button B to release the split time display.
2. Press button B to reset the stopwatch.
A
B
RESET
B
B
A
START
2ND
FINISH TIME
OF 1ST
FINISH TIME
COMPETITOR
FINISHES
OF 2ND
COMPETITOR
COMPETITOR
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24
2ꢁ
How to use the single-time alarm
l
ALARM MODE
<Single-time alarm>
u
The single-time alarm is used in the TIME mode.
u
The single-time alarm time can be set within 12 hours from the current time.
•
•
The single-time alarm is set in the TIME mode.
The single-time alarm sounds only once at a designated alarm time and it
is automatically disengaged.
Pull out to first click.
CROWN
A
•
The alarm time can be set within 12 hours from the current time in 1-minute
increments.
Press to set the mode indicator
pointing at the TIME mode.
A
<Regular alarm>
Push back in to normal position.
CROWN
•
•
•
•
The regular alarm can be set to sound at a designated time everyday.
The regular alarm is set in the ALARM mode.
The set alarm time can be used as many times as required.
You can preview the alarm sound by using the sound demonstration
function.
Press to set the small watch to show
your desired single-time alarm time.
B
B
*
With each press of button B the small
watch hands will advance 1 minute.
Pressing and holding button B will
advance the small watch hands rapidly.
*
The two hands of the small
watch show the single-time
alarm time.
Mode indicator
TIME
Single-time alarm
Settable
Regular alarm
After completing the setting, wear
the watch as it is.
OFF
ON
ALARM
Unsettable
*
*
*
If the alarm time is set to the current time, the single-time alarm is automatically can-
celed.
Be careful not to press button B while wearing the watch, as pressing button B may
advance the set alarm time.
If you change the TIME mode to another, the single-time alarm will be automatically
canceled.
*
The single-time alarm can be used only in the TIME mode.
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26
27
How to stop the single-time alarm manually while sounding
The single-time alarm sounds for 20 seconds at the designated time. To stop
the single-time alarm manually while sounding, press either button A or B.
Regular alarm
l
l
l
u
The regular alarm is used in the ALARM mode.
The regular alarm can be set on a 12-hour basis.
u
*
The single-time alarm will be automatically canceled once it sounds at the designated time.
Pull out to first click.
How to change or cancel the single-time alarm
Press button B to change the single-time alarm setting.
Keep pressing button B to fast-forward.
CROWN
A
A
Press to set the mode indicator
pointing at the ALARM mode.
To cancel the single-time alarm, chose either of the following two methods.
•
Press button B to set the alarm time to the current time. The easy way to
do this is to keep pressing button B to fast-forward the small watch hands
which will automatically stop when they reach the current time, and then
release the button B.
Press to set the small watch to show
your desired regular alarm time.
B
*
With each press of button B the small
watch hands will advance 1 minute.
Pressing and holding button B will
advance the small watch hands rapidly.
B
•
Change the TIME mode to another mode.
*
The two hands of the small
watch show the regular
alarm time.
*
The regular alarm can be set on
12-hour basis.
a
Upon completing the alarm setting,
push back in to normal position.
CROWN
*
If the crown remains at the first click,
the alarm does not sound.
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28
2ꢂ
How to stop the regular alarm manually while sounding
The regular alarm sounds for 20 seconds at the designated time. To stop
the regular alarm manually while sounding, press either button A or B.
l
l
LOCAL TIME MODE
u
u
The small watch can be set to show the time in another time zone.
Two different times can be shown at the same time using the main watch
and the small watch as a dual time display.
Sound demonstration function (Alarm sound preview)
How to set the local time
l
Pull out to first click.
CROWN Pull out to first click.
CROWN
A
A
Press to set the mode indicator
pointing at the LOCAL TIME mode.
Press to set the mode indicator
pointing at the ALARM mode.
A
A
*
The small watch shows the current time.
Push back in to normal position.
CROWN
Press to set the local time.
B
Press for longer than 2 seconds.
The alarm sound can be heard while
button A is kept pressed.
A
*
With each press of button B the local
time hands will advance 1 minute.
Pressing and holding button B will
advance the local time hands rapidly.
*
*
The local time can be set on a 12-hour
basis.
The small watch shows the time in
another time zone.
B
Push back in to normal position.
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ꢀ0
ꢀ1
Battery life indicator
When the battery nears its end, the small second hand moves at two-
second intervals instead of normal one-second intervals. In that case,
have the battery replaced with a new one as soon as possible.
l
CROWN
*
The watch remains accurate while the small second hand is moving at
two-second intervals.
WARNING
l Do not remove the battery from the watch.
l If it is necessary to take out the battery, keep it out of the reach of children. If a
child swallows it, consult a doctor immediately.
BATTERY CHANgE
The. miniature. battery. which. powers. your. watch. should. last.
approximately.3 years...however,.because.the.battery.is.inserted.at.the.
factory.to.check.the.function.and.performance.of.the.watch,.its.actual.life.
once.in.your.possession.may.be.less.than.the.specified.period...When.
the.battery.expires,.be.sure.to.replace.it.as.soon.as.possible.to.prevent.
any.malfunction...For.battery.replacement,.we.recommend.that.you.
contact.an.AUThORIZED.SEIKO.DEALER.and.request.SEIKO SR927W.
battery.
3
Years
CAUTION
l
Never short-circuit, tamper with or heat the battery, and never expose it to fire. The
battery may burst, become very hot or catch fire.
l The battery is not rechargeable. Never attempt to recharge it, as this may cause
battery leakage or damage to the battery.
*
If the yacht timer is used more than 6 hours per week, the timer is used
more than 15 minutes per day, the stopwatch is used more than 60 minutes
per day and the alarm sounds more than 40 seconds per day, the battery life
may be less than the specified period.
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ꢀ2
ꢀꢀ
NECESSARY PROCEDURE AFTER BATTERY
CHANgE
HAND POSITION ADJUSTMENT
(mode indicator, center hand, hands of the small watch)
u
Hand position adjustment is a procedure required when the hands are not
correctly aligned for use in the STOPWATCH or TIMER functions, or after
the battery is changed or the built-in IC is reset. For example, when the
hands are not pointing to the 0 position even after the stopwatch is reset.
After hand position adjustment is carried out, it is necessary to set the
time.
After the battery is replaced with a new one, or when an abnormal display appears,
follow the procedures below to reset the built-in IC. The watch will resume its
normal operation.
HOW TO RESET THE IC
l
1. Pull out the crown to the second click.
2. Press button A and B at the same time.
How to adjust the positions of the mode indicator, center
hand and the hands of the small watch
l
ꢀ. Push the crown back in to normal position and check if the hands move as
normal.
Pull out to second click.
The small second hand will stop on
CROWN
A
the spot.
MODE SELECT
*
If the crown is pulled out while the timer
or stopwatch is measuring time, the
measurement will be forcibly terminated
and the timer or the stopwatch will be
reset.
CROWN
B
*
Resetting the IC will initialize the watch. Before starting to use the watch, it will be necessary to
set the time and adjust the STOPWATCH hands to the 0 position.
Refer to HAND POSITION ADJUSTMENT and TIME MODE sections of this manual.
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ꢀ4
ꢀꢁ
Keep pressing for approximately
ꢁ seconds. The small watch hands
start moving.
Press to turn the mode indicator a
full circle.
A
B
A
B
A
A
B
MODE SELECT
Press to set the mode indicator
pointing at the TIME mode, which
is the initial position of the mode
indicator.
Press to set the small watch hands
to 12 o’clock, which is the initial
position of the small watch hands.
Keep pressing to fast-forward.
Keep pressing to fast-forward.
B
A
*
Set the mode indicator exactly pointing
at the dot marker.
small watch
mode indicator
Press to turn the center hand a full
circle.
A
B
MODE SELECT
dot marker
Upon completion of all settings,
push back in to normal position.
Press to set the center hand to the 0
position.
Keep pressing to fast-forward.
*
After hand position adjustment is carried out, it is necessary to set the time.
Refer to l How to set the time.
B
center hand
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ꢀ6
ꢀ7
TROUBLESHOOTINg
Trouble
Possible causes
Solutions
The watch stops operating.
The battery has run down.
Have the battery replaced with a new one immediately by the retailer from whom the watch was
purchased.
The small second hand moves in 2-minute
increments.
The battery nears its end.
The watch temporarily gains or loses
time.
The watch has been left or worn in extremely
high or low temperatures.
Return the watch to a normal temperature so that it works accurately as usual, and then reset the
time. The watch has been adjusted so that it works accurately when it is worn on your wrist
under a normal temperature range between ꢁ ºC and ꢀꢁ ºC.
The watch has been left close to an object with a
strong magnetic field.
Correct this condition by moving and keeping the watch away from the magnetic source. If this
action does not correct the condition, contact the retailer from whom the watch was purchased.
You drop the watch, hit it against a hard surface,
or wear it while playing active sports. The watch
is exposed to strong vibrations.
Reset the time. If the watch does not return to its normal accuracy after resetting the time,
contact the retailer from whom the watch was purchased.
The STOPWATCH hands do not return to
the 0 position when the stopwatch is reset.
The watch has been affected by magnetism or
exposed to strong shocks or vibrations.
Adjust the positions of the mode indicator, center hand and two hands of the small watch, and
then reset the time. Follow the instructions in HAND POSITION ADJUSTMENT and TIME MODE.
Moisture has entered the watch because the
gasket has deteriorated.
The inner surface of the glass is clouded.
The date changes at 12 o’clock noon.
Contact the retailer from whom the watch was purchased.
AM/PM is not properly set.
Advance the hour hands for 12 hours to correctly set the time and date.
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ꢀ8
ꢀꢂ
SPECIFICATIONS
1. Frequency.of.crystal.oscillator................. . 32,768.hz.(hz.=.hertz...Cycles.per.second)
2.. Loss/gain.(Monthly.rate)......................... . Less.than.15.seconds.when.used.on.the.wrist.
within.normal.temperature.range.(5.ºC.~35.ºC).
3.. Operational.temperature.range............... . Between.–10.ºC.and.+60.ºC
4.. Driving.system......................................... . Step.motor.4.pieces
5. Display.system
.
Time..................................................... . hour,.minute.and.small.second.hands.in.1-second.
increments
.
Yacht.timer/Timer............................... . Center.hand:.1-minute.and.1-second.increments.
(when.the.remaining.time.is.less.than.1.minute).
exclusively.for.timer.
.
.
.
.
.
Small.watch:.1-second.increments
Stopwatch............................................ . Center.hand:.1/5-second.increments
.
.
Small.watch.(hour.and.minute.hands):.1-minute.
increments
.
.
Alarm................................................... . Small.watch.:.Regular.alarm.time
Local.time............................................ . Small.watch.:.Local.time.in.1-minute.increments
6.. Battery...................................................... . SEIKO.SR927W,.1.piece
7. Battery.life................................................ . Approximately.3.years
.
.
.
If.the.yacht.timer.is.used.less.than.6.hours.per.
week,.the.timer.is.used.less.than.15.minutes.per.
day,.the.stopwatch.is.used.less.than.60.minutes.
per.day.and.the.alarm.sounds.less.than.40.sec-
onds.per.day.
8.. IC.(Integrated.Circuit).............................. . C-MOS-IC:.1.piece
*
The specifications are subject to change without prior notice for product improvements.
40
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