The Seiko V657-9020 is a watch model based on the V657 movement.
Parts List
| 300A19J20A | crystal - crystal |
| 45E41NA1 | crown - crown |
| FE318BAA3 | case back gasket - case back gasket |
| AD006BAA1 | pusher - button gasket |
| 80631958 | pusher - button |
| 4773LZ | band - band |
| 4773CZ-LK4 | band - link |
| 4773LZ-LK4 | band - link |
| 4773CZ | band - band |
| 4773CZ-BKD | clasp - buckle |
| 4773CZ-PB1 | clasp - parts for buckle |
| 4773LZ-BKD | clasp - buckle |
| 4773LZ-PB1 | clasp - parts for buckle |
| 3BX037FBBNG | others - sub hand |
| 3BX037FBBAL | others - small hand(12h) |
| 3BX037FBBAW | others - small hand(12h) |
| 2AX120FBBSG | others - minute hand |
| 1AX080FKBSG | others - hour hand |
| 83200273 | others - button spring clip |
| AD006BA11 | others - crown and stem gasket |
| 0351892 | others - winding stem |
| V657902061B | others - case |
| V657902061A | others - case |
| V6579020 | others - case back |
| 0878220 | others - date dial |
| A180BS | others - push pin |
| V65720 | others - machine code |
| V6579040XL24 | others - dial |
| V6579040XS24 | others - dial |
| V6579041XL24 | others - dial |
| V6579041XS24 | others - dial |
| 3AX125F3ASG | others - second hand |