Seiko 8V36 Manual - Page 9

English SPECIFICATIONS 1 Frequency of crystal oscillator 32,768 Hz (Hz = Hertz ... Cycles per second) 2 Loss/gain (Monthly rate Less than 15 seconds at normal temperature range (5° C ~ 35° C) (41° F ~ 95° F) Accuracy of the alarm 5 minutes 3 Operational temperature range 10° C ~ +60° C (14° F ~ 140° F) 4 Duration of watch vibration 20 seconds for each time 5 Display system Time 24-hour, hour, minute and second hands Ultrasonic alarm Designated alarm time and indication of alarm engagement/disengagement 6 Driving system For the watch Step motor, 1 piece For the ultrasonic alarm Ultrasonic motor, 1 piece 7 Battery Miniature silver oxide battery SR43W, 1 piece 8 Battery life Approx. 2 years 9 IC (Integrated Circuit C-MOS-IC, 2 pieces * The specifications are subject to change without prior notice for product improvement. 9