The Seiko V400-6440 is a watch model based on the V400 movement.
Parts List
| SA3A11JN02 | crystal - crystal |
| 6M30B9SNG2 | crown - crown |
| 0H1900B01 | case back gasket - case back gasket |
| 48B5KQ | band - band |
| 48B6KQ | band - band |
| 48B6BQ | band - band |
| 48B5BQ | band - band |
| 48B5BQ-LK3 | band - link |
| 48B5KQ-LK3 | band - link |
| 48B6BQ-LK3 | band - link |
| 48B6KQ-LK3 | band - link |
| 48B5BQ-BKL | clasp - buckle |
| 48B5BQ-PB2 | clasp - parts for buckle |
| 48B6BQ-BKL | clasp - buckle |
| 48B6BQ-PB2 | clasp - parts for buckle |
| 48B5KQ-BKL | clasp - buckle |
| 48B5KQ-PB2 | clasp - parts for buckle |
| 48B6KQ-BKL | clasp - buckle |
| 48B6KQ-PB2 | clasp - parts for buckle |
| 2DH052A1BAA | others - minute hand |
| 1DH035A1BAA | others - hour hand |
| 2DC052A1BNG | others - minute hand |
| 0351155 | others - winding stem |
| DZ0040B01 | others - crown and stem gasket |
| 81606439 | others - bracelet fixing pin |
| 81190055 | others - bracelet fixing pipe |
| 81611159 | others - bracelet fixing pin |
| V400644025A | others - case |
| 82894330 | others - case ring |
| V4006440 | others - case back |
| V400644025C | others - case |
| V400644025B | others - case |
| V400644025D | others - case |
| 48B5BQ-EP2 | others - endpiece |
| 48B5KQ-EP2 | others - endpiece |
| 48B6KQ-EP2 | others - endpiece |
| 48B6BQ-EP2 | others - endpiece |
| V40010 | others - machine code |
| V4004210XG14 | others - dial |
| V4004210XS14 | others - dial |
| V4004211XG14 | others - dial |
| V4004211XS14 | others - dial |
| V4004220XS19 | others - dial |
| V4004221XS19 | others - dial |
| V4004230XA14 | others - dial |
| V4004231XA14 | others - dial |
| 1DC032A1BNG | others - hour hand |