In Case Of An Abnormal Movement; How To Set The Time After Resetting The Built-In Ic; Specifi Cations - Seiko 3B51 Instructions Manual

IN CASE OF AN ABNORMAL MOVEMENT
■ How to Set the Time After Resetting the Built-in IC
In the case that the watch moves abnormally or that the watch does not move at one-second intervals
even after fully charging the battery, perform the procedures from (1)-(4) to re-establish normal function.
1
Pull out the Crown.
Pull out
the
Crown.
※ I f your watch has
a screw lock type
7
crown, unlock it.
→ page 87
※ T he second hand will keep moving
after the crown is pulled out.
142
Specifi cations
1. Basic function ･････････････ M ain time with three hands (hour, minute, and second hands)
2. Frequency of crystal oscillator ･･32,768 Hz (Hz = Hertz ... Cycles per second)
3. Loss/gain (monthly rate) ････････ L oss / gain ±15 seconds (Except the case when the watch is used without an
automatic time setting by receiving a radio signal and when it is worn on the
wrist within a normal temperature range between 5°C and 35°C).
4. Operational temperature range ･･Between -10ºC and +60ºC
5. Driving systems ･････････････････Step motor
(Hour and minute hands/second hand)
6. Power source ････････････････････Secondary battery, 1 piece
7. Duration of operation ････････････Approximately six months (Fully charged, and the Power Save is not activated).
※ I f the Power Save is activated after it is fully charged, the watch continues to
run for approximately one year and half at maximum.
8. Time setting by receiving the JJY-LF radio signal ･Automatic reception (at 2:00 AM and 4:00)
※ Reception attempts depend on the radio signal receiving conditions.
※ A fter having received a radio signal, the watch will start to move depending
on the quartz movement until the next reception.
※ Manual reception is also possible
9. IC (Integrated Circuit) ･･･････････Oscillator, frequency divider and driving circuit C-MOS-IC, 3 pieces
8
※ The specifications are subject to change without prior notice for product improvement.
144
Keep holding down the Button for
2
three seconds, and then release it.
I n fi ve seconds after releasing the buttons, the second hand starts
moving and stops at the 0-second position. Then the hour and minute
hands will start to move and stop pointing at the 0-second position.
※ T o press the Button,
use an object with
a long tapered tip.
page 86
Keep holding
down the Button for
three seconds, and
then release it.
3 When all the hands stop pointing at the
0-second position, push the crown in.
A t the moment the crown is pushed in, the watch
starts moving from 0 hour 0 minute and 0 second.
Push the
crown in.
※ I f your watch has
a screw lock type
crown, lock it.
→ page 87
After resetting the IC, the time zone is
set to Tokyo (Japan.)
4 Conduct automatic signal
reception to set the time.
After the procedure from 1 to 3 have been
completed, it is necessary to set the time.
Automatic Signal Reception
→ page 126
When the watch is used in conditions in
which the watch may not be able to receive
a radio signal, set the time manually.
→ How to Manually Set the Time page 128
When the time is set, the
operation is completed.
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