The Seiko W680-4040 is a watch model based on the W680 movement.
Parts List
| 260P63LN03 | crystal - crystal |
| 0G2600B01 | case back gasket - rotating bezel gasket |
| 0F310BAA1 | case back gasket - case back gasket |
| EC045BA13 | case back gasket - gasket |
| 86563380 | crystal gasket - plastic gasket for crystal |
| 80636599 | pusher - button |
| F0T7GG | band - band |
| F0T8GG | band - band |
| A100BS | others - push pin (for mb) |
| 81351639 | others - button spring |
| 83200273 | others - button spring clip |
| AD006BA11 | others - crown and stem gasket |
| 81614010 | others - pin |
| W68040405CA | others - case |
| 86014895 | others - rotating bezel |
| 82837790 | others - case ring |
| W6804040 | others - case back |
| W68040405CB | others - case |
| 86014896 | others - rotating bezel |
Other models with the same movement