The Seiko V401-1780 is a watch model based on the V401 movement.
Parts List
| 170A02JN02 | crystal - crystal |
| 6M30B5SNW0 | crown - crown |
| 6M30B5NNG0 | crown - crown |
| 0F150BA1S | case back gasket - case back gasket |
| 4FY5KZ | band - leather band |
| 44F8BB | band - band |
| 4FY6KZ | band - band |
| 44F8KB | band - band |
| 4FY7KZ | band - band |
| 44F8BB-LK2 | band - link |
| 44F8KB-LKG | band - link |
| 4529BB-LK2 | band - link |
| 4G63BB | band - leather band |
| 4G64BB | band - leather band |
| 4G65BB | band - band |
| 4529BB | band - band |
| 4GL1BZ | band - band |
| 4GL2BZ | band - leather band |
| 4GL3BZ | band - band |
| 4GL4BZ | band - band |
| 44F8AB | band - band |
| 4528AB | band - band |
| 4529AB | band - band |
| 44F8JB | band - band |
| 44F8BB-BKI | clasp - buckle |
| 44F8BB-PB1 | clasp - parts for buckle |
| 44F8KB-BK4G | clasp - buckle |
| 2AB070A1BNG | others - minute hand |
| 2AB070A1BNS | others - minute hand |
| 1AB047A1BNS | others - hour hand |
| 2AB065A1BNS | others - minute hand |
| 2AC065A1BAA | others - minute hand |
| 1AC045A1BAA | others - hour hand |
| 3BA075F1BNG | others - second hand |
| 3BA075F1BNS | others - second hand |
| 1AB050A1BNS | others - hour hand |
| 1AF047A1BNG | others - hour hand |
| 1AF047A1BNS | others - hour hand |
| 2AF065A1BNG | others - minute hand |
| 2AF065A1BNS | others - minute hand |
| 1AB047A1BNG | others - hour hand |
| 2AB065A1BNG | others - minute hand |
| 1AE040LMBNG | others - hour hand |
| 2AE065LMBNG | others - minute hand |
| 1AC045A1BNG | others - hour hand |
| 2AC065A1BNG | others - minute hand |
| A110BS | others - push pin (for mb) |
| V401178079B | others - case |
| V40117807HA | others - case |
| V401178079A | others - case |
| V40110 | others - machine code |
| V4015471XG14 | others - dial |
| V4015471XS13 | others - dial |
| V4015481XS14 | others - dial |
| V4015481XS24 | others - dial |
| V4015680XB14 | others - dial |
| V4015680XG14 | others - dial |
| V4015680XS13 | others - dial |
| V4015680XS14 | others - dial |
| V4015690XB14 | others - dial |
| V4015690XG14 | others - dial |
| V4015690XS24 | others - dial |
| V4015700XG14 | others - dial |
| V4015700XS14 | others - dial |
| V4016080XB14 | others - dial |
| V4016080XG13 | others - dial |
| V4016080XG24 | others - dial |
| V4016080XS14 | others - dial |
| V4016080XS24 | others - dial |
| V4016090XB13 | others - dial |
| V4016090XG14 | others - dial |
| V4016090XS14 | others - dial |
| 1AB050A1BNG | others - hour hand |
| DZ0040B01 | others - crown and stem gasket |
| 82809350 | others - case ring |
| V401178075A | others - case |
| V4011780 | others - case back |
| 0351155 | others - winding stem |
| V401178075B | others - case |
| 2AE065LMBNS | others - minute hand |
| 1AE040LMBNS | others - hour hand |