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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 (worn on the wrist at
normal temperature range between 5 ºC and
35 ºC)
3 Operational temperature range.... ...... Between –10 ºC and +60 ºC
4 Driving system ................................ ... Step motor 4 pieces
5 Display system
Time ................................................ Hour, minute and small second hands in
1-second increments
Stopwatch ...................................... Stopwatch second hand in 1/5-second in-
crements (60 seconds/ 360 degrees)
Stopwatch minute hand in 1-minute increments
(60 minutes/ 360 degrees)
Stopwatch hour hand synchronizes with the
minute hand (24 hours/ 360 degrees)
Alarm ..............................................
Alarm minute hand in 1-minute increments (60
minutes/ 360 degrees)
Alarm hour hand synchronizes with the minute
hand (24hours/ 360 degrees)
Calendar .......................................... Date indication by the calendar hand (month &
year can be checked on demand)
Day indication by the day hand
6 Battery ............................................... SEIKO SR927SW, 1 piece
7 Battery life ......................................... Approximately 5 years
* If the display mode is changed only once, the
stopwatch is used for less than 1 hour and the
alarm sounds less than 20 seconds per day.
8 IC (Integrated Circuit) ....... ................. C-MOS-IC: 1 piece
* The specifications are subject to change without prior notice for product improvements.
