Seiko 4F series Battery Replacement Manual page 2

2 INSTALL A NEW BATTERY.
Tool to use:
Battery installer
[ For Cal. 8F Series ]
[ For Cal. 4F Series ]
1. Remove the casing ring and red insulator (if the watch has one).
2. Set the battery installer into the case
3. Put the edge of the battery under the installer.
4. Press down the battery 5. Remove the installer, and set the casing ring.
until it clicks fixed.
* Be sure to use a battery with a seal-type
insulator attached to it.
Notched
portion
* Line up the arrow
mark precisely with
the crown.
Crown
Arrow mark
* Set the notched portion to the crown side.
12 o'clock 12 o'clock
[ CASING RING ]
side side
Crown Crown
side side
Notched Notched
portion portion
[ Cal. 8F Series ] [ Cal. 4F Series ]
3 REACTIVATE THE BUILT-IN IC.
Tool to use:
Tool for resetting the IC
Short-circuit the AC terminal and the battery using the tool.
For Cal. 8F Series watches:
AC terminal
For Cal. 4F Series watches:
AC terminal
4 CHECK CALENDAR DATA – RETAINED?
1. Pull out the crown to the first click, and push it back immediately.
* Lightly press down the movement with a finger to hold it in position.
2
Contact the AC
terminal and the
side face of the
battery securely.
Contact the AC
terminal and the
hooking portion of
the battery clamp
securely.