The Seiko V401-0320 is a watch model based on the V401 movement.
Parts List
| 200W97LN03 | crystal - crystal |
| 6M30A3NNG2 | crown |
| 6M30A3SJA0 | crown |
| 0F170BAA3 | case back gasket - case back gasket |
| DK85J | band - leather band |
| DK86J | band - leather band |
| A120BS | others - push pin (for lb) |
| DZ0040B01 | others - crown and stem gasket |
| 0351155 | others - winding stem |
| 08PD3AGM | others - minute hand |
| 3BA100F1BNG | others - second hand |
| 08PF7NGM | others - minute hand |
| 1AC055A1BNG | others - hour hand |
| 2AC080A1BNG | others - minute hand |
| 1AD055AEBAA | others - hour hand |
| 2AD080AMBAA | others - minute hand |
| 08PD3AGH | others - hour hand |