The Seiko 4205-0020 is a watch model based on the 4205 movement.
Parts List
215T23AAS0 | crystal |
215T23AAG0 | crystal |
40MC5NS1 | crown - crown |
40MC5NN1 | crown - crown (3h) |
FH2130B01 | case back gasket - case back gasket |
DB0055B01 | case back gasket - crown and stem gasket |
Caliber 4205




