The Seiko V400-6020 is a watch model based on the V400 movement.
Parts List
| BA2A37LN03 | crystal - crystal |
| 6M35C7SNWA | crown - crown |
| 6M35C7NNGA | crown - crown |
| 0H1700B01 | case back gasket - bezel gasket |
| 70M8YQ | band - band |
| 70M8ZQ | band - band |
| 70M8YQ-LKG | band - link |
| 70M8ZQ-LKG | band - link |
| 70M8YQ-BK4G | clasp - buckle |
| 70M8ZQ-BK4G | clasp - buckle |
| 1DE027LABNG | others - hour hand |
| 2DE040LABNG | others - minute hand |
| 2DE040LABNS | others - minute hand |
| 1DE027LABNS | others - hour hand |
| 81606439 | others - bracelet fixing pin |
| 81190075 | others - bracelet fixing pipe |
| 81607559 | others - bracelet fixing pin |
| V400602029A | others - case |
| 82835310 | others - case ring |
| 0351155 | others - winding stem |
| V40060202SA | others - case |
| DZ0040B01 | others - crown and stem gasket |
| 70M8YQ-EPG | others - endpiece |
| 70M8ZQ-EPG | others - endpiece |
| V40010 | others - machine code |
| V4003090XA14 | others - dial |
| V4003090XB14 | others - dial |
| V4003090XL13 | others - dial |
| V4003090XZ13 | others - dial |