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◆ SPECIFICATIONS
(1) Crystal oscillator frequency
32,768 Hz (Hz = Oscillations per second)
(2) Drive system
Step motor
(3) Wrist-worn accuracy (at normal temperature <5°C - 35°C>)
Mean monthly rate: ±20sec.
(4) Operating temperature range
–10°C - +60°C
(5) Display system
[Time function]
24-hour hand, hour hand, minute hand and second hand (one-second
step motion)
[Calendar] Date indicator
(6) Additional functions
[Chronograph] One second increments, up to 60 minutes
(7) Battery
SR927SW; 1 piece
(8) Battery life
Approx. 3 years if the Chronograph is used for 60 minutes a day.
* The above specifi cations are subject to change without notice for improve-
ment.
◆ DISPLAY AND CROWN / BUTTON OPERATION
Button A
Button B
Hour hand
Chronograph minute hand
Chronograph second hand
Minute hand
Date
Small second hand
Normal position
First click
Second click
24 hour hand
Crown
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