The Seiko V401-1620 is a watch model based on the V401 movement.
Parts List
| 160A15JN02 | crystal - crystal (inorganic) |
| 6M35B7SNW0 | crown - crown |
| 0F190BA1S | case back gasket - case back gasket |
| EB58AB | band - band |
| E063AG-LK00 | band - link |
| XA08AB | band - band |
| E063AG | band - band |
| EB57AB | band - leather band |
| 1BX045FBBAL | others - hour hand |
| 2BX065FBBAL | others - minute hand |
| 1BX045FBBNB | others - hour hand |
| 2BX065FBBNB | others - minute hand |
| 3BA075F1BNS | others - second hand |
| DZ0040B01 | others - crown and stem gasket |
| 0351155 | others - winding stem |
| 82873650 | others - case ring |
| V40116207EB | others - case |
| V40116207EC | others - case |
| A130BS | others - push pin |
| V40110 | others - machine code |
| V4014680XS19 | others - dial |
| V4014680XS29 | others - dial |
| V40116207EA | others - case |