Seiko H023 - Technical Specifications

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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)
3 Operational temperature range ......... –10° C ~ +60° C (14° F ~ 140° F)
Desirable temperature range of use . 0° C ~ +50° C (32° F ~ 122° F)
4 Driving system .................................. Step motor, 2 pieces
5 Analogue display system
Time ............................................ Three hands (hour, minute and second hands)
6 Digital display system
TIME/CALENDAR mode.............. City, date, day of the week, hour, minute and
second
“AM”/“PM” in the 12-hour display
Mode indicator
(Alarm, hourly time signal and daylight saving
time indicators)
WORLD TIME mode ................... City, date, day of the week,hour, minute, second
“AM”/“PM” in the 12-hour display
Mode indicator
(Alarm, hourly time signal and daylight saving
time indicators)