Seiko 7C46 - Manual (Page 16)

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
y o u r w a t c h o r h i t i t
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