The Seiko V400-5050 is a watch model based on the V400 movement.
Parts List
| SAJN45LM01 | crystal |
| 35E09NN1 | crown - crown |
| 512AAL | band |
| 512AAY | band |
| 512AAL-LKG | band - link |
| 512AAY-LKG | band - link |
| 512AAY-PB1 | clasp - parts for buckle/clasp |
| 512AAL-PB1 | clasp - parts for buckle/clasp |
| 512AAY-BK4G | clasp - clasp |
| 512AAL-BK4G | clasp - clasp |
| 1CA032A3BNG | others - hour hand |
| 2CA047A3BDG | others - minute hand |
| 512AAL-ES | others - eyelet screw |
| 81181459 | others - bracelet fixing pipe |
| 81603979 | others - bracelet fixing pin |
| 82814190 | others - case ring |
| V4000110XS14 | others - dial |
| V4000120XN14 | others - dial |
| V40010 | others - machine code |
| V400505029A | others - case |
| V4005050HGA | others - case |
| 0351164 | others - winding stem |
| 05R11DGH | others - hour hand |
| 05R11NGM | others - minute hand |
| 05R17DGH | others - hour hand |
| 05R17DGM | others - minute hand |