The Seiko V401-1221 is a watch model based on the V401 movement.
Parts List
| 160A02JN02 | crystal - crystal (inorganic) |
| 160A02JN | crystal |
| 6M35B3NNG0 | crown - crown |
| 6M35B3NN | crown |
| 0F150BA1S | case back gasket - case back gasket |
| 0F150BA1 | case back gasket |
| 4E41KZ | band - band |
| 4E39KZ | band - band |
| 4E40KZ | band - band |
| 4E42KZ | band - band |
| 2AC065A1BAA | others - minute hand |
| 1AC045A1BAA | others - hour hand |
| 3BA075F1BNG | others - second hand |
| 1AB047A1BNG | others - hour hand |
| 2AB065A1BNG | others - minute hand |
| A100BS | others - push pin (for mb) |
| V40110 | others - machine code |
| V4013131XB14 | others - dial |
| V4013131XG14 | others - dial |
| V4013131XS14 | others - dial |
| V4013141XG14 | others - dial |
| V4013141XS14 | others - dial |
| V4013141XS24 | others - dial |
| DZ0040B01 | others - crown and stem gasket |
| 0351155 | others - winding stem |
| V401122175A | others - case |
| V4011221 | others - case back |
| 82809350 | others - case ring |