The Seiko S031-4000 is a watch model based on the S031 movement.
Parts List
| 0J478BE11 | case back gasket - case back gasket |
| EJ0165B01 | case back gasket - button gasket |
| 80630335 | pusher - button |
| 80630355 | pusher - button |
| 80630375 | pusher - button (2h) |
| 80630337 | pusher - button |
| 80630356 | pusher - button |
| 80630336 | pusher - button (4h) |
| 80630376 | pusher - button (2h) |
| AN15A | band - other band |
| S0314000N0A | others - case |
| S0314000 | others - case back |
| S0314000N0B | others - case |
| S0314000N0C | others - case |
| S03110 | others - machine code |
| 81351799 | others - button spring |
| 81505939 | others - case back screw |
| 83200299 | others - button spring clip |
| EB0055B01 | others - crown and stem gasket |
| 83200273 | others - button spring clip |
| 81351630 | others - button spring |
Other models with the same movement