Seiko V172 Manual - Page 18

English 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 (5 °C to 35 °C/ 41 °F to 95 °F) 3 Operational temperature range 10 °C to 60 °C/ 14 °F to 140 °F 4 Driving system Step motor 4 pieces 5 Display system Time/calendar Hour, minute and small second hands Date is displayed in numerals. Stopwatch STOPWATCH 1/5-second and STOPWATCH minute hands Alarm Alarm hour and minute hands 6 Power supply Manganese titanium-lithium rechargeable battery 7 Continuous operating time from full charge Approximately 6 months if the stopwatch is used for shorter than 1 hour per day and the alarm sounds for shorter than 20 seconds per day 8 Additional function Energy depletion forewarning function, overcharging prevention function 9 IC (Integrated Circuit C-MOS-IC, 1 piece • The specifications are subject to change without prior notice due to product improvements. 34