The Seiko V657-0A80 is a watch model based on the V657 movement.
Parts List
| 310P02LN02 | crystal - crystal |
| 8K45E6SNS0 | crown - crown |
| FE318BAD2 | case back gasket - case back gasket |
| 86565100 | crystal gasket - plastic gasket for crystal |
| C35A03SMS0A | pusher - button |
| 4996JG | band - band |
| 1AB080FHBSE | others - hour hand |
| 2BB125FABSE | others - minute hand |
| 3AA115FAAAR | others - second hand |
| 3BA040F2BAR | others - sub hand |
| V6570A8001D | others - case |
| V6570A80 | others - case back |
| 0878221 | others - date dial |
| 84313730 | others - dial ring |
| S190BS | others - push pin |
| V6570A78XB19 | others - dial |
| V65720 | others - machine code |
| 0351892 | others - winding stem |
| 83200273 | others - button spring clip |
| 81351630 | others - button spring |
| AD006BAD1 | others - crown and stem gasket |