Seiko S120-4020 Watch Guide

The Seiko S120-4020 is a watch model based on the S120 movement.

Parts List

442W04LM01crystal - crystal (inorganic)
442W02LM01crystal - crystal (inorganic)
0K550BAA2case back gasket - case back gasket
0K550BAAcase back gasket
86581280crystal gasket - plastic gasket for crystal
EC0060B01pusher - pusher gasket
80602403pusher - button (12h)
80602423pusher - button (2h)
80602463pusher - button (4h)
BZA06Nband
S1204020others - case back
S1201others - machine code
81503409others - case back screw
S1204000others - case back
S1204020N0others - case
AE010BA12others - button gasket
81350669others - button spring
81350780others - button spring (front)
81400683others - button spring clip
81400803others - button spring clip

Other models with the same movement

S120-4000
S120-4010
S120-4030