The Seiko 4205-5020 is a watch model based on the 4205 movement.
Parts List
| SA3W03LM40 | crystal |
| 40MF5NS1 | crown |
| FH1930B01 | case back gasket - case back gasket |
| DB0055B01 | case back gasket - crown and stem gasket |
Caliber 4205





The Seiko 4205-5020 is a watch model based on the 4205 movement.
| SA3W03LM40 | crystal |
| 40MF5NS1 | crown |
| FH1930B01 | case back gasket - case back gasket |
| DB0055B01 | case back gasket - crown and stem gasket |




