The Seiko V401-1900 is a watch model based on the V401 movement.
Parts List
| 180A02JN02 | crystal - crystal |
| 6M30B5SNW0 | crown - crown |
| 6M30B5NNG0 | crown - crown |
| 0F150BA1S | case back gasket - case back gasket |
| 44Q5KZ | band - band |
| 44Q4BZ | band - band |
| 44Q4JZ | band - band |
| 44Q4BZ-LK4 | band - link |
| 44Q4BZ-BKN | clasp - buckle |
| 1AC047A1BNS | others - hour hand |
| 2AC067A1BNG | others - minute hand |
| 2AC067A1BNS | others - minute hand |
| 3BA075F1BNG | others - second hand |
| 3BA075F1BNS | others - second hand |
| 1AB047A1BNG | others - hour hand |
| 2AB065A1BNG | others - minute hand |
| A120BS | others - push pin (for lb) |
| V401190079A | others - case |
| V40110 | others - machine code |
| V4015741XG14 | others - dial |
| V4015741XL13 | others - dial |
| V4015741XS13 | others - dial |
| V4016100XB14 | others - dial |
| V4016100XG14 | others - dial |
| V4016110XG14 | others - dial |
| V4016110XS14 | others - dial |
| 0351155 | others - winding stem |
| DZ0040B01 | others - crown and stem gasket |
| 82809670 | others - case ring |
| V401190075A | others - case |
| 82806970 | others - case ring |
| V4011900 | others - case back |
| V401190075B | others - case |
| 2AE070L0BNG | others - minute hand |
| 1AC047A1BNG | others - hour hand |
| 1AE047LABNG | others - hour hand |