The Seiko V401-0100 is a watch model based on the V401 movement.
Parts List
| 220A07L20A | crystal |
| 220A07L20B | crystal |
| 30MA9NN1 | crown - crown |
| 30MA9NW1 | crown - crown |
| 0F160BAA5 | case back gasket - case back gasket |
| AC004BA11 | case back gasket - crown and stem gasket |
| ZA72B | band - metal band |
| ZA73B | band - metal band |
| 3BA125F1BNG | others - second hand |
| 0351156 | others - winding stem |
| 08P87NGH | others - hour hand |
| B080BS | others - push pin |
| 08P87NGM | others - minute hand |
| 08SC29NG | others - second hand |