Seiko 7C46 Watch User Manual


 
English
16
CARE OF CASE AND
BRACELET
To prevent possible rusting
of the case and bracelet, wipe
them periodically with a soft
dry cloth.
PRECAUTION REGARDING
CASE BACK PROTECTIVE FILM
If your watch has a protective film
and/or a sticker on the case back,
peel them off before using your
watch.
SHOCKS &
VIBRATION
Be careful not to drop
your watch or hit it
against hard surfaces.
SPECIFICATIONS
1. Frequency of crystal oscillator ........... 32,768 Hz (Hz = Hertz … Cycles per second)
2. Loss/gain (monthly rate) ..................... Cal. 7C46, 7N36, 7N85: Less than 15 seconds at normal
temperature range (5° C ~ 35° C) (41° F ~ 95° F)
Cal. V736: Less than 20 seconds at normal temperature
range (5° C ~ 35° C) (41° F ~ 95° F)
3. Operational temperature range .......... Cal. 7C46, 7N36, 7N85: –10° C ~ +60° C (14° F ~ 140° F)
Cal. V736: –5° C ~ +50° C (23° F ~ 122° F)
4. Driving system ................................... Step motor, 1 piece