The Seiko V401-2020 is a watch model based on the V401 movement.
Parts List
| 170A02JN02 | crystal - crystal |
| 6M30B9NNG1 | crown - crown |
| 6M30B9SNW0 | crown - crown |
| 0F150BA1S | case back gasket - case back gasket |
| 4568MG | band - band |
| 4568KG | band - band |
| 4568JG | band - band |
| 4568JG-LK3 | band - link |
| 4568KG-LK5 | band - link |
| 4568MG-LK5 | band - link |
| 4568MG-BKX | clasp - buckle |
| 2AH062A1BAA | others - minute hand |
| 3BA075F1BNG | others - second hand |
| 3BA075F1BNS | others - second hand |
| 1AH047A1BAA | others - hour hand |
| 2AF065A1BNG | others - minute hand |
| 2AF065A1BNS | others - minute hand |
| 1AF045A1BNG | others - hour hand |
| 1AF045A1BNS | others - hour hand |
| A120BS | others - push pin (for lb) |
| 0351155 | others - winding stem |
| V40110 | others - machine code |
| V4015991XG14 | others - dial |
| V4015991XS13 | others - dial |
| V4016001XS19 | others - dial |
| DZ0040B01 | others - crown and stem gasket |
| 82809350 | others - case ring |
| V401202075A | others - case |
| V4012020 | others - case back |
| V401202079A | others - case |
| V40120207HA | others - case |