Seiko CAL. 7L22 - Manual (Page 15)

English
15
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 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, 2 pieces
5 Display system
Time ........................................................... Hour, minute and second hands
Date ............................................................ Displayed in numerals.
Stopwatch .................................................. Minute and 1/5 second hands
The stopwatch measures up to 45 minutes in
1/5 second increments.
6 Additional function ............................................ Energy depletion forewarning function and overcharge
prevention function
7 Duration of charge
Full charge .................................................. Approximately 5 months
(if the stopwatch is used for 45minutes per day)
After the second hand starts moving
at two-second intervals .............................. Approximately 12 hours (if the stopwatch is not used)
8 KINETIC electricity storage unit ........................ Button type, 1 piece
9 IC (Integrated Circuit) ........................................ C-MOS-IC, 1 piece
10 Generating system ............................................ Miniature AC generator
* The specifications are subject to change without prior notice for product improvement.