The Seiko V401-5840 is a watch model based on the V401 movement.
Parts List
| RE3A81J20A | crystal - crystal |
| 6M35B3NNG0 | crown - crown |
| 0F160BA1S | case back gasket - case back gasket |
| 4471MG | band - band |
| 4471DG | band - band |
| 4471DG-LK3 | band - link |
| 4471MG-LKG | band - link |
| 4471MG-BK4G | clasp - buckle |
| 4471DG-BKL | clasp - buckle |
| 3BA050F1BNG | others - second hand |
| 82818750 | others - case ring |
| V401584079A | others - case |
| V4015840 | others - case back |
| V401584079B | others - case |
| DZ0040B01 | others - crown and stem gasket |
| 0351155 | others - winding stem |
| T080BS | others - push pin |
| V40110 | others - machine code |
| V4015100XS14 | others - dial |
| V4015101XS14 | others - dial |
| 1AA032A3BNG | others - hour hand |
| 2AA050A3BNG | others - minute hand |