The Seiko V421-0040 is a watch model based on the V421 movement.
Parts List
| 160A02LN03 | crystal - crystal (inorganic) |
| 35MV3NN1 | crown - crown |
| 0H2820B01 | case back gasket - case back gasket |
| 80639551 | pusher - button |
| KL91F | band - band |
| 07PA7ALH | others - hour hand |
| 1AD050ABBAL | others - hour hand |
| 07PA7ALM | others - minute hand |
| 2AD072AABAL | others - minute hand |
| 07SC73HL | others - second hand |
| A120BS | others - push pin (for lb) |
| V4210040 | others - case back |
| V42100402HA | others - case |
| 0D005BA13 | others - crown and stem gasket |
| EG0060B01 | others - button gasket |
| 83200273 | others - button spring clip |
Other models with the same movement