Seiko W850A, Technical Manual

Page: 7 / 12

7
TECHNICAL GUIDE
Cal. W850A, W851A, W853A, W854A
a
b
• Do not disassemble the switch spring (B) and its spacer except when they need to be replaced.
• When installing the spacer for switch spring (B), take care not to set it in the wrong direction. (See
the exploded view on page 3.)
13 Spacer for switch spring (B)
14 Switch spring (B)
[ How to release the hooking portion ]
15 Rubber switch
16 Battery connection (–)
17 Battery connection (+)
18 Circuit block
•
How to install
First, set the rubber switch, battery connection (–) and battery connection (+) to the circuit block in
the positions as indicated in the illustration below. Then, install the battery guard from above to fix
them securely to the movement. In doing so, take care lest the switch and connections should get
out of position.
Battery connection (–) Battery connection (+)
Rubber switch