The Seiko W240-4040 is a watch model based on the W240 movement.
Parts List
| K00P03L20A | crystal - crystal (inorganic) |
| K00P03L20B | crystal - crystal (inorganic) |
| K00P03L20C | crystal - crystal (inorganic) |
| 0F280BAA1 | case back gasket - case back gasket |
| 86640070 | crystal gasket - plastic gasket for crystal |
| 80633519 | pusher - button |
| 80711594 | pusher - front button |
| 80711595 | pusher - front button |
| 80633534 | pusher |
| 80633535 | pusher |
| 6010JZ | band - band |
| 6A10JB | band - band |
| 6018MZ | band |
| W2404040SLA | others - case |
| W2404040SLB | others - case |
| W2404040SLC | others - case |
| W2404040SLD | others - case |
| W2404040SLE | others - case |
| W2404040SLF | others - case |
| W2404040SLG | others - case |
| T120BS | others - push pin |
| 81351639 | others - button spring |
| AD006BA11 | others - crown and stem gasket |
| 81514639 | others - case back screw |
| 83200211 | others - button spring clip |
Other models with the same movement