The Seiko V401-0900 is a watch model based on the V401 movement.
Parts List
| 180A02JN02 | crystal - crystal |
| 170A02JN02 | crystal - crystal |
| 6M35B3NNG0 | crown - crown |
| 6M35B3SNW0 | crown - crown |
| 6M35B3NN | crown |
| 6M35B3SN | crown |
| 0F150BAA5 | case back gasket - case back gasket |
| 0F150BAA | case back gasket |
| 4091CE | band |
| 4091CE-LKS | band - link |
| 4091BE-LKG | band - link |
| 4091BE | band |
| 4091AE | band |
| 4091CE-BK4G | clasp - clasp |
| 4091BE-BK4G | clasp - clasp |
| 1AF050A1BNS | others - hour hand |
| 2AH070A1BNG | others - minute hand |
| 1AH047A1BNG | others - hour hand |
| 1AF050A1BNG | others - hour hand |
| 3BA075F1BNG | others - second hand |
| 3BA075F1BNS | others - second hand |
| DZ0040B01 | others - crown and stem gasket |
| 0351155 | others - winding stem |
| 82809350 | others - case ring |
| T070BS | others - push pin |
| V4010900 | others - case back |
| V401090075A | others - case |
| V401090079A | others - case |
| V40109007HA | others - case |
| V40110 | others - machine code |
| V4012300XB14 | others - dial |
| V4012300XG14 | others - dial |
| V4012300XS14 | others - dial |
| V4012310XB13 | others - dial |
| V4012310XG14 | others - dial |
| V4012310XG24 | others - dial |
| V4012310XS14 | others - dial |
| 2AF070A1BNG | others - minute hand |
| 2AF070A1BNS | others - minute hand |