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Troubles
Possible causes
Any of the
stopwatch hands
The preliminary position of the
do not return to
hands is out of alignment.
the 0 minute
This happens when the stopwatch
hands are out of the preliminary
0 second position
when the
position as a result of external
stopwatch is
influence or system reset.
reset.
The buttons do
not work.
(The stopwatch
function is
The power is low.
unavailable or the
time/preliminary
6
position cannot be
adjusted)
A small amount of water has got
Blur in the display
inside the watch due to deterioration
persists.
of the gasket, etc.
* Contact the retailer from whom the watch was purchased for any other troubles.
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3
Set the stopwatch hands (1/100-second, 1/10-second, second, minute) to the
preliminary position.
Carry out the operation in Procedure 5 of "Adjusting the preliminary position of the stopwatch hands"
→ P.52.
4
Push the crown back in to the normal position.
The watch starts to operate.
At this time, the time display shows 12 hours and 0 minutes.
When the stopwatch seconds hands (1/100-second, 1/10-second, second) point to the 6 o'clock
position, the energy level is low. Expose the dial to light to charge the watch.
"Charging the battery" → P.25
"Guide to charging times" → P.26
5
Set the time.
6
Carry out the operation in Procedure 3 of "How to set the time" → P.14.
Once the stopwatch hands, preliminary position, and time are set, the operation is complete.
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Solutions
Reference
Set the preliminary hand position.
P.50
Sufficiently charge the battery until
the stopwatch function is available
P.25
or the time/preliminary position can
be adjusted.
Consult the retailer from whom the
-
watch was purchased.
If the hands fail to move or move abnormally even after recharging
If the watch does not work, the stopwatch hands do not point to the 12 o'clock position even if
the battery is sufficiently charged, or the watch operates irregularly, performing the following
operations will return the watch to normal.
■ Resetting the built-in IC
1
Pull out the crown.
* For models with screw down crown, please unlock the
crown before operating it.
2
Press buttons A, B, and C at the same
time for 2 seconds.
Specifications
Cal.
Main time with two hands (hour and minute hands), stopwatch hands
1. Features
(1/100-second, 1/10-second, second, and minute hands)
2. Frequency of crystal
32,768 Hz (Hz= Hertz, cycles per second)
oscillator
Monthly average loss/gain ± 15 seconds
3. Loss/gain (Monthly rate)
Only if worn on the wrist in a temperature range of 5°C to 35°C
4. Operational temperature
-10 °C ~ +60 °C
range
5. Driving system
Step Motor, 5 pieces
6. Power source
Secondary battery, 1 piece
7. Duration
Approx. 6 months (if the stopwatch is used for 1 hour per day.)
8. IC (Integrated Circuit)
Oscillator, frequency divider and driving circuit C-MOSIC, 1 piece
* The specifications are subject to change without prior notice due to product improvements.
B
C
Press at the
same time for
2 seconds
A
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8A50
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6
7
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