Seiko 8T63 Manual - Page 9

English English WARNING l Do not remove the battery from the watch. l If it is necessary to take out the battery, keep it out of the reach of children. If a child swallows it, consult a doctor immediately. CAUTION l 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. l The battery is not rechargeable. Never attempt to recharge it, as this may cause battery leakage or damage to the battery. SPECIFICATIONS 1 Frequency of crystal oscillator 32,768 Hz (Hz = Hertz ... Cycles per second) 2 Loss/gain (monthly rate 15 seconds at normal temperature range (between 5° C and 35° C) (between 41° F and 95° F) 3 Operational temperature range Between -10° C and +60° C (between 14° F and 140° F) 4 Driving system Step motor, 2 pieces 5 Display system Time/calendar 24-hour, hour, minute and small second hands Date is displayed in numerals Stopwatch Stopwatch minute and 1/5-second hands Measures up to 60 minutes 6 Battery SEIKO SR936SW, 1 piece 7 IC (Integrated Circuit C-MOS-IC, 1 piece * The specifications are subject to change without prior notice for product improvement. 16 17