Seiko 4J27 Benutzerhandbuch
English
10
■ CHEMICALS
■ PRECAUTION REGARDING
CASE BACK PROTECTIVE FILM
1
Frequency of crystal oscillator ................ 32,768 Hz (Hz = Hertz ... Cycles per second)
2
Loss/gain (monthly rate) ......................... Less than 15 seconds 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
5
Battery .................................................... SEIKO SR621SW, 1 piece (Cal. 2A27)
SEIKO SR521SW, 1 piece (Cal. 4J27)
SEIKO SR43SW, 1 piece (Cal. 7C17)
SEIKO SR43SW, 1 piece (Cal. 7C17)
6
IC (Integrated Circuit) ............................. C-MOS-IC, 1 piece
* The specifications are subject to change without prior notice for product improvement.
SPECIFICATIONS
Be careful not to expose the
watch to solvents (e.g., alcohol
and gasoline), mercury (i.e., from
a b r o k e n t h e r m o m e t e r ) ,
watch to solvents (e.g., alcohol
and gasoline), mercury (i.e., from
a b r o k e n t h e r m o m e t e r ) ,
If your watch has a protective
film and/or a sticker on the case
back, be sure to peel them off
b e f o r e u s i n g y o u r w a t c h .
film and/or a sticker on the case
back, be sure to peel them off
b e f o r e u s i n g y o u r w a t c h .
Otherwise, perspiration getting in under
them may rust the case back.
them may rust the case back.
cosmetic spray, detergents, adhesives or
paints. Otherwise, the case, bracelet, etc.
may become discolored, deteriorated or
damaged.
paints. Otherwise, the case, bracelet, etc.
may become discolored, deteriorated or
damaged.