The Seiko V400-6390 is a watch model based on the V400 movement.
Parts List
| RE5A37JN02 | crystal - crystal |
| 6M35B3SNW0 | crown - crown |
| 6M35B3NNG0 | crown - crown |
| 0H2200B01 | case back gasket - rotating bezel gasket |
| 7197XB-LK2 | band - link |
| 7197YB-LK2 | band - link |
| 7197ZB-LK1 | band - link |
| 71E3YB-LK4 | band - link |
| 7197XB | band - band |
| 7197YB | band - band |
| 7197ZB | band - band |
| 71E3YB | band - band |
| 7197ZB-BKD | clasp - buckle |
| 71E3YB-BKK | clasp - buckle |
| 7197YB-BKI | clasp - buckle |
| 7197YB-PB2 | clasp - parts for buckle |
| 71E3YB-PB2 | clasp - parts for buckle |
| 7197ZB-PB2 | clasp - parts for buckle |
| 7197XB-BKI | clasp - buckle |
| 7197XB-PB2 | clasp - parts for buckle |
| 1DE032LABNS | others - hour hand |
| 2DE050LABNS | others - minute hand |
| 1DE032LABNG | others - hour hand |
| 2DE050LABNG | others - minute hand |
| A120BS | others - push pin (for lb) |
| DZ0040B01 | others - crown and stem gasket |
| V40063902HB | others - case |
| V40063902SA | others - case |
| V40010 | others - machine code |
| V4004020XB13 | others - dial |
| V4004020XB14 | others - dial |
| V4004020XE14 | others - dial |
| V4004020XG14 | others - dial |
| V4004020XR14 | others - dial |
| V4004020XS14 | others - dial |
| 0351155 | others - winding stem |
| V400639029A | others - case |
| 82894190 | others - case ring |
| V40063902HA | others - case |