The Seiko V401-0720 is a watch model based on the V401 movement.
Parts List
| 170A17SN02 | crystal |
| 6M30B5NNG1 | crown - crown |
| 0F150BAA5 | case back gasket - case back gasket |
| KB02A | band - band |
| 3BA075F1BNG | others - second hand |
| 1AA050S0BNG | others - hour hand |
| 2AA070AMBNG | others - minute hand |
| DZ0040B01 | others - crown and stem gasket |
| 0351155 | others - winding stem |
| 82809350 | others - case ring |
| V40107207N | others - case |
| B080AS | others - push pin |
| V40110 | others - machine code |
| V4011870XS14 | others - dial |