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CAUTION
● Never short-circuit, heat or otherwise tamper with the battery, and never
expose it to fire. The battery may burst, become very hot or catch fire.
● The battery is not rechargeable. Never attempt to recharge it, as this may cause
battery leakage or damage to the battery.
1 Frequency of crystal oscillator ................ 196,608 Hz (Hz = Hertz … Cycles per second)
2 Loss/gain (Annual rate)............................ ±20 seconds when used on the wrist approximately 12
hours a day, at normal temperature range (5° C ~ 35° C) (41°
F ~ 95° F)
* Monthly rate of loss/gain may amount to approximately 4
seconds depending on the condition of use.
3 Operational temperature range ............... –10° C ~ +60° C (14° F ~ 140° F)
4 Driving system ........................................ Step motor for the time indication
Ultrasonic motor for the calendar indication
5 Battery .................................................... SEIKO CR1612, 1 piece (Cal. 4F32)
SEIKO CR2412, 1 piece (Cal. 8F32 and 8F33)
6 Battery life indicator
7 IC (Integrated Circuit) .............................. C-MOS-LSI, 1 piece
* The specifications are subject to change without prior notice for product improvement.
SPECIFICATIONS