The Seiko V657-8100 is a watch model based on the V657 movement.
Parts List
| 290P03L20A | crystal - crystal |
| 8M45B7BNG0 | crown - crown |
| FE318BA11 | case back gasket - case back gasket |
| 86580830 | crystal gasket - plastic gasket for crystal |
| 80704851 | pusher - button |
| AD006BAA1 | pusher - button gasket |
| 70Z0WB | band - band |
| 70Z0WB-LK2 | band - link |
| 70Z0WB-BKF | clasp - buckle |
| 70Z0WB-PB2 | clasp - parts for buckle |
| 3BA125F1BNG | others - second hand |
| 3BA035FMBNG | others - sub hand |
| 81351639 | others - button spring |
| AD006BA11 | others - crown and stem gasket |
| 0351892 | others - winding stem |
| 83200273 | others - button spring clip |
| V6578100WEA | others - case |
| A200CS | others - push pin |
| V6578050XB14 | others - dial |
| 2AX110FFBSG | others - minute hand |
| 1AX080FCBSG | others - hour hand |