The Seiko V401-5850 is a watch model based on the V401 movement.
Parts List
| RE3A83L20A | crystal - crystal |
| 6M35B7SNW0 | crown - crown |
| 0F220BA1S | case back gasket - case back gasket |
| F0J8AG | band - band |
| 1AA027A5BNS | others - hour hand |
| 2AA042A5BNS | others - minute hand |
| 3BA050F1BAW | others - second hand |
| 0351155 | others - winding stem |
| DZ0040B01 | others - crown and stem gasket |
| V401585079A | others - case |
| 82835490 | others - case ring |
| V4015850 | others - case back |
| A130BS | others - push pin |