The Seiko W680-4000 is a watch model based on the W680 movement.
Parts List
| 0F360BAD1 | case back gasket - case back gasket |
| 0H2600B01 | case back gasket - case back gasket |
| EC045BA13 | case back gasket - gasket |
| 80632319 | pusher - button |
| 8B78JB | band - rubber band |
| 8B67WZ | band - leather band |
| 8B77JB | band - band |
| 8B66MZ | band - band |
| 81614010 | others - pin |
| W6804000N2A | others - case |
| 8601425A | others - rotating bezel |
| AD006BA11 | others - crown and stem gasket |
| 81351639 | others - button spring |
| T200BS | others - push pin |
| 81514639 | others - case back screw |
| W6804000N2B | others - case |
| 83200211 | others - button spring clip |
Other models with the same movement