The Seiko V400-5020 is a watch model based on the V400 movement.
Parts List
| K07N67LN01 | crystal |
| 35E09NN1 | crown - crown |
| 514AAL | band |
| 514AAK | band |
| 514AAJ | band |
| 514AAK-BK3G | clasp - clasp |
| 82814170 | others - case ring |
| T060BS | others - push pin |
| V4000080XB14 | others - dial |
| V4000080XG14 | others - dial |
| V4000080XS14 | others - dial |
| V40010 | others - machine code |
| V400502029A | others - case |
| V40050202HA | others - case |
| V40050202SA | others - case |
| 0351164 | others - winding stem |
| 2DA045A3BDG | others - minute hand |
| 05R13DGM | others - minute hand |
| 1DA030A3BNG | others - hour hand |
| 05R13DGH | others - hour hand |