The Seiko V657-7020 is a watch model based on the V657 movement.
Parts List
| 290P41LN03 | crystal - crystal (inorganic) |
| 8K45A5SNG1 | crown - crown |
| 8K45A5SNW0 | crown - crown |
| FE318BAA3 | case back gasket - case back gasket |
| 86580830 | crystal gasket - plastic gasket for crystal |
| 80637411 | pusher - button |
| 80637415 | pusher - button |
| AD006BAA1 | pusher - button gasket |
| F0E6GB | band - band |
| 3BA037F0BNG | others - sub hand |
| 3AA125F3ANG | others - second hand |
| 3BA037F0BAD | others - sub hand |
| 3AA125F3ANS | others - second hand |
| 1AB075LMBSS | others - hour hand |
| 1AB075LMBSG | others - hour hand |
| A100BS | others - push pin (for mb) |
| 83200273 | others - button spring clip |
| 81351630 | others - button spring |
| AD006BA11 | others - crown and stem gasket |
| 0351892 | others - winding stem |
| V6577020WFA | others - case |
| V6577020WFB | others - case |
| 2AB120L4BSG | others - minute hand |
| 2AB120L4BSS | others - minute hand |