The Seiko W240-4090 is a watch model based on the W240 movement.
Parts List
| K00P03L40A | crystal - crystal (inorganic) |
| 0F280BAD1 | case back gasket - case back gasket |
| 86640070 | crystal gasket - plastic gasket for crystal |
| 80633519 | pusher - button |
| 80711594 | pusher - front button |
| FDF3FZ | band - band |
| W2404090SLA | others - case |
| T120BS | others - push pin |
| AD006BA11 | others - crown and stem gasket |
| 81351639 | others - button spring |
| 81514639 | others - case back screw |
| 83200211 | others - button spring clip |
Other models with the same movement
| W240-4000 |
| W240-4010 |
| W240-4020 |
| W240-4030 |
| W240-4040 |
| W240-4050 |
| W240-4060 |
| W240-4070 |
| W240-4080 |
| W240-4100 |
| W240-4110 |
| W240-4120 |
| W240-4130 |
| W240-4150 |
| W240-X001 |