Seiko H801 - Manual (Page 13)

7. Digital display medium ................... Nematic Liquid Crystal, FEM (Field Effect
Mode)
8. Battery ............................................... SEIKO SR920W, 1 piece
9. IC (Integrated Circuit) ....................... C-MOS-LSI, 1 piece
Bipolar IC, 1 piece
10. Illuminating light
* The specifications are subject to change without prior notice, for product
improvement.
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 tempera-
ture 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
5. Analogue display system
Time display .............................. Three hands
6. Digital display system
Calendar display ....................... Month, date and day of the week.
Time display .............................. Hour, minutes, seconds and “P” mark.
Stopwatch display .................... Minutes, seconds and 1/100 second.
The stopwatch can measure up to 60
minutes.
Alarm display ............................ Hour, minutes, “P” mark and “AL” mark.