The Seiko V657-0C70 is a watch model based on the V657 movement.
Parts List
| 330P03HN03 | crystal - crystal (inorganic) |
| 8K50E6TNA1 | crown - crown |
| FE308BAD2 | case back gasket - case back gasket |
| 86566900 | crystal gasket - crystal plastic gasket |
| 86583220 | bezel gasket - plastic gasket for bezel |
| A35A05TMN0A | pusher - button (2h) |
| 3075MM-LK4 | band - link |
| 3075MM | band - band |
| 3075MM-BKJ | clasp - buckle |
| 3075MM-PB1 | clasp - parts for buckle |
| 3BA030F0BAH | others - small hand(12h) |
| 2AB120LHBSS | others - minute hand |
| 3BA030F0BAS | others - sub hand |
| 3AA125F1AAY | others - second hand |
| 1AB075LMBSS | others - hour hand |
| 84331786 | others - dial ring |
| V6570C58XA33 | 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 |
| 81606439 | others - bracelet fixing pin |
| 81190055 | others - bracelet fixing pipe |
| 82345564 | others - bezel |
| V6570C7002D | others - case |
| V6570C70 | others - case back |
| 0878221 | others - date dial |