Seiko 7T82 - Manual (Page 14)

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English
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 ºC ~ 35 ºC)
3 Operational temperature range ....... –10 ºC ~ +60 ºC
4 Driving system ................................ Step motor, 4 pieces
5 Display system
Time/calendar .......................... Hour, minute and small second hands
Date is displayed in numerals.
Stopwatch ................................ STOPWATCH 1/100-second hand (0.1 second/ 360 degrees)
STOPWATCH 1/10-second hand (1 second/ 360 degrees)
STOPWATCH second hand (60 seconds/ 360 degrees)
STOPWATCH minute hand (40 minutes/ 240 degrees)
6 Battery ............................................ SEIKO SR927W, 1 piece
7 Battery life ....................................... Approximately 3 years
If the stopwatch is used for longer than 2 hours a day, the battery
life may be shorter than the specified period.
8 Battery life indicator
9 IC (Integrated Circuit) ...................... C-MOS-IC, 1 piece
* The specifications are subject to change without prior notice for product improvements.