Seiko 4T53 - Necessary procedure after battery change; SPECIFICATIONS

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Necessary procedure after battery change
and
CROWN
▼
A
B
Press and hold at the same time for
2 seconds.
STOPWATCH second hand turns counter-
clockwise and then returns to where it was.
Pull out to second click.
A
B
▼
▼
CROWN
Turn to set the time, and then push
back in to normal position.
SPECIFICATIONS
1 Frequency of crystal oscillator .................... 32,768 Hz (Hz = Hertz ... Cycles per second)
2 Loss/gain (monthly rate) ............................. Less than 20 seconds at normal temperature range
(5 °C to 35 °C/41 °F to 95 °F)
3 Operational temperature range ................... -5 ºC to 50 ºC/23 ºF to 122 ºF
4 Driving system ............................................ Step motor, 2 pieces
5 Display system
Time .......................................................... Hour, minute and second hands
Date .......................................................... Displayed in numerals.
Stopwatch ................................................ Minute and second hands
The stopwatch measures up to 60 minutes in one
second increments.
6 Battery ........................................................ SEIKO SR920SW, 1 piece
7 IC (Integrated Circuit) .................................. C-MOS-IC, 1 piece
• The specifications are subject to change without prior notice for product improve ment.
A
Press repeatedly to reset
STOPWATCH second and minute
hands to the ”0” position.
B
or
• A: The hands move counterclockwise.
B: The hands move clockwise.
• The hands move quickly if the respective
buttons are kept pressed.
l
When the battery is replaced with a new one, the information stored in the built-in
IC does not correspond with the time actually displayed. Before using the watch,
therefore, be sure to reset the circuit following the procedure below.
•
In case any of the hands should move improperly, follow the procedure below to adjust the hand movement.