Seiko 4F series Battery Replacement Manual

BATTERY REPLACEMENT MANUAL
FOR CAL. 4F (LADIES') / 8F (GENT'S) SERIES WATCHES
NOTE: When replacing the battery for Cal. 4F and Cal. 8F Series watches, please be sure to use
CR1612 and CR2412 batteries having a seal-type insulator attached to them, respectively.
BATTERY REPLACEMENT WORK FLOW
1 2 3
REMOVE INSTALL
THE OLD A NEW
BATTERY BATTERY
7
END OF
REPLACE-
MENT WORK
Tools to use in the replacement work
Tool for removing battery/inputting data
4
REACTIVATE CHECK
NO (Erased)
THE BUILT- CALENDAR
IN IC DATA –
RETAINED?
YES
(Retained)
YES NO
6 5
(Correct) (Incorrect)
CHECK
CALENDAR
DATA –
CORRECT?
Battery installer
[ For Cal. 8F Series ]
[ For Cal. 4F Series ]
1 REMOVE THE OLD BATTERY.
Tools to use:
Tool for removing battery
1. Open the case back and remove the casing ring.
* Some models of Cal. 4F Series watches have an antimagnetic ring. Remove it first. Then follow
the steps below.
2. Insert the tip of the tool between the insulator and the movement.
* Be sure to insert from the specified position.
For the watch with a red plastic insulator:
INPUT
DATA
[ Cal. 8F Series ]
For the watch with a battery with a seal-type insulator:
[ Cal. 8F Series ]
3. Move the tool from side to side.
Insert under the
insulator here.
Insert under
the insulator
here.
[ Cal. 4F Series ]
Insert
here.
Insert
here.
[ Cal. 4F Series ]
* Do not pry the
battery up. This
will damage the
movement.
Battery
Insulator
Move-
ment
Battery with
insulator
Movement