Specifications

9
TECHNICAL GUIDE
Cal. 4F32A, 8F32A, 8F33A, 8F35A
[ Movement holder 4F8F-C for the case back side of all Cal. 4F and 8F Series movements ]
2 Battery
5 Insulator for battery (A)
Be sure to complete the battery replacement work within three minutes. Otherwise, the
calendar data stored in the built-in IC will be erased.
Before removing the old battery, be sure to keep a new battery at hand.
When installing the new battery, take utmost care not to short-circuit the battery connection
(–) and the circuit block cover, as this will also erase the calendar data.
How to replace the battery
How to remove the battery
The case ring has numerals printed on it to show the order of disengaging the hooking portions of
the circuit block cover using the tips of the tweezers.
[ Case ring for Cal. 4F32A ] [ Case ring for Cal. 8F32A, 8F33A and 8F35A ]
12 o’clock
side
Crown side
12 o’clock side
Crown side
Pin
Hole to set the pin