Seiko 8F35 Manual - Page 20

English SPECIFICATIONS 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 CR2412, 1 piece 6 Battery life indicator 7 IC (Integrated Circuit C-MOS-LSI, 1 piece 8 Magnetic resistance 4,800 A/m (60 gauss) 9 Water resistance Withstands water pressure to a depth of 200 m and is therefore suitable for scuba diving. * The specifications are subject to change without prior notice for product improvement. 20