The Seiko V400-6120 is a watch model based on the V400 movement.
Parts List
| SA2A75LN02 | crystal - crystal |
| 6M30A3NNG0 | crown - crown |
| 0G1500B01 | case back gasket - case back gasket |
| 70W4YG | band - band |
| 70W4YG-LK5 | band - link |
| 1DG030LABNG | others - hour hand |
| 2DG042LABNG | others - minute hand |
| 0351155 | others - winding stem |
| 81190075 | others - bracelet fixing pipe |
| 81604729 | others - bracelet fixing pin |
| V40061202SA | others - case |
| 82893910 | others - case ring |
| V40010 | others - machine code |
| V4003390XG14 | others - dial |
| DZ0040B01 | others - crown and stem gasket |