The Seiko W040-5010 is a watch model based on the W040 movement.
Parts List
| SA4W03LN00 | crystal |
| FH2980B0B | case back gasket |
| EA0090B0A | case back gasket - button gasket |
| 80608939 | pusher |
| 475MA | band - metal band |
| A200CS | others - push pin |
| W04010 | others - machine code |
| W040501062A | others - case |
| W040501062B | others - case |
Other models with the same movement
| W040-5000 |
| W040-5020 |
| W040-5030 |
| W040-5040 |
| W040-5050 |
| W040-5060 |
| W040-5070 |
| W040-5080 |
| W040-5090 |
| W040-5100 |
| W040-5110 |
| W040-5120 |
| W040-5130 |
| W040-5140 |
| W040-5150 |
| W040-5170 |