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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 ................ 32,768 Hz (Hz = Hertz … Cycles per second)
2 Loss/gain (Monthly rate) ......................... ±20 seconds at normal temperature range (5° C ~ 35° C)
(41° F ~ 95° F)
3Operational temperature range ............... –10° C ~ +60° C (14° F ~ 140° F)
4 Driving system ........................................ Step motor for the time indication
5 Battery .................................................... SEIKO SR927SW(SB-AP), 1 piece
6 Battery life indicator
7IC (Integrated Circuit) .............................. C-MOS-LSI, 1 piece
* The specifications are subject to change without prior notice for product improvement.
SPECIFICATIONS