Seiko W850A, Technical Manual

Page: 2 / 12

2
PARTS CATALOGUE
Cal. W850A, W851A, W853A, W854A
Disassembling procedures Figs. : 1
→
23
Reassembling procedures Figs. : 23
→
1
Lubricating: Types of oil Oil quantity
Silicone oil 500,000 Normal quantity
➡
Please see the remarks on the following pages.
Button A
Button B
Button C
Button D
Button E
Button F
Button spring clip
7 Conductive plate for the front button
6 Conductive plate for the side button
5 Module
3 Case back gasket
1 Case back screw
4589 024
Piezoelectric element
2 Case back
4 4246 066
Buzzer lead terminal