The Seiko W600-0020 is a watch model based on the W600 movement.
Parts List
| 0F298BAA1 | case back gasket |
| 80635510 | pusher |
| 80635515 | pusher |
| AD006BAA1 | pusher - button gasket |
| 80635517 | pusher |
| 082ZHY | band |
| 083ZHY | band |
| 084ZHY | band |
| A170CS | others - push pin |
| 83200273 | others - button spring clip |
Other models with the same movement
| W600-0010 |
| W600-001A |
| W600-001B |
| W600-001C |
| W600-0030 |
| W600-003A |