The Seiko V400-0400 is a watch model based on the V400 movement.
Parts List
| 150A02LN03 | crystal - crystal (inorganic) |
| 6M30A3NNG3 | crown - crown |
| 0F150BAA5 | case back gasket - case back gasket |
| DZ91C | band - band |
| DZ92C | band - band |
| 81182699 | others - bracelet fixing pipe |
| 81609399 | others - bracelet fixing pin |
| V40004007SA | others - case |
| 82819250 | others - case ring |
| 81609439 | others - bracelet fixing pin |
| V4000400 | others - case back |
| 06R11DGH | others - hour hand |
| DZ0040B01 | others - crown and stem gasket |
| 0351155 | others - winding stem |
| 06R11DGM | others - minute hand |
| 1DE040LABNG | others - hour hand |
| 2DE060LABNG | others - minute hand |