Seiko 4T57A Technical Manual & Parts Catalogue page 6

TECHNICAL GUIDE
The explanation here is only for the particular point of cal.4T57A.
● Remarks on installing the battery
1) After the battery is replaced with a new one, or after the bat-
tery is reinstalled following the repairing procedures, be sure
to touch the AC terminal of circuit block and the switch spring
with conductive tweezers to reset the circuit as illustrated at
right.
2) When the battery is replaced with a new one, the information stored in the built-in Ic does not corre-
spond with the time actually displayed. Before using the watch, therefore, be sure to reset the IC follow-
ing the procedure below.
If any of the stopwatch hands should move improperly, also follow the same procedure.
1. Pull out the crown to the second click position.
2. Press the buttons "A" and "B" simultaneously for 2 seconds,
and then, release the buttons.
turns counterclockwise and stopwatch 1/10 second hand turns
clockwise, and then return to where they were.
3. Press button "A" or "B" to reset the stopwatch hands to "0"
position.
* By pressing button "A" , set the stopwatch 1/10 second hand.
* By pressing button "B", set the stopwatch second and minute
hands.
4. Turn the crown to set the hour, and minute and 24-hour hands
to the desired time, and push the crown back to the normal po-
sition.
The stopwatch second hand
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Cal. 4T57A