The Seiko V400-6400 is a watch model based on the V400 movement.
Parts List
| RE5A37JN02 | crystal - crystal |
| 6M35B3NNG0 | crown - crown |
| 0H2200B01 | case back gasket - rotating bezel gasket |
| 71A3ZG | band - band |
| 71A3ZG-LK3 | band - link |
| 1DE032LABNG | others - hour hand |
| 2DE050LABNG | others - minute hand |
| A120BS | others - push pin (for lb) |
| V40010 | others - machine code |
| V4004020XS14 | others - dial |
| V4004020XZ14 | others - dial |
| 0351155 | others - winding stem |
| 82894190 | others - case ring |
| V4006400GDA | others - case |
| DZ0040B01 | others - crown and stem gasket |