The Seiko 4204-0020 is a watch model based on the 4204 movement.
Parts List
| 310A03JN02 | crystal - crystal |
| 310N11JN01 | crystal - crystal |
| 60M03NA1 | crown - crown |
| 0D360BA11 | case back gasket - case back gasket |
| DB0055B01 | case back gasket - crown and stem gasket |
| 89940250 | band - other |
| LC05A | band - band |
| 13C13AGH | others - hour hand |
| 13C13AGM | others - minute hand |
| 13SC01NG | others - second hand |
| 3BA125F1BNG | others - second hand |
| 0351420 | others - winding stem |
| 4204002026 | others - case |
| 82832110 | others - case ring |
| 42040150XS19 | others - dial |
| 420410 | others - machine code |
| 81872493 | others - bow |
Other models with the same movement