Seiko 7T92 Manual
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 ~ 35° C) (41° F ~ 95° F) 3 Operational temperature range ................. –10° C ~ +60° C (14° F ~ 140° F) 4 Driving system .......................................... Step motor, 4 pie..