Technical Guide - Seiko 4R Series Parts List/Technical Manual

TECHNICAL GUIDE

Type of oil
AO-3(Moebius A)
1. Oiling spot
19 Barrel and train wheel bridge
[Top side]
[Back side]
*3
*2
Note：
After oiling*2, set Lower plate for barrel and train wheel bridge & screw.
After oiling*4, set First reduction wheel & Pawl lever & Reduction wheel holder.
23 First reduction wheel
*1
*2
25
24
23
22
21
S-6
S-4
*1
Lower plate for barrel and train wheel bridge
Lower plate for barrel and train wheel bridge screw
First reduction wheel
Pawl lever
Reduction wheel holder
8/16
Oil quantity mark
NORMAL QUANTITY
SUFFICIENT
QUANTITY
*4
Cal. 4R71A
*3