The Seiko W820-4010 is a watch model based on the W820 movement.
Parts List
| 0F340BAA1 | case back gasket - case back gasket |
| 0H2600B01 | case back gasket - case back gasket |
| 80637592 | pusher - button |
| 80637599 | pusher - button |
| FAY6EZ | band - band |
| FB48AZ | band - band |
| 86315297 | others - rotating bezel |
| T180CS | others - push pin |
| 83200273 | others - button spring clip |
| 81351630 | others - button spring |
| AD006BA11 | others - crown and stem gasket |
| 81518099 | others - case back screw |
| 86315290 | others - rotating bezel |
| W8204010N2A | others - case |
| 86315296 | others - rotating bezel |
| W8204010 | others - case back |
| W8204010N2B | others - case |
| 86315298 | others - rotating bezel |
| W8204010N2C | others - case |
Other models with the same movement