The Seiko V657-0C00 is a watch model based on the V657 movement.
Parts List
| 300A78AN02 | crystal - crystal |
| 8K60B8SAW1 | crown - crown |
| 0F280BA1S | case back gasket - case back gasket |
| HR8A02SMS0A | pusher - button |
| EC84JB | band - band |
| EC82JB | band - band |
| EC83JB | band - band |
| EC84JB-BK00 | clasp - clasp |
| 3BX035F4BAM | others - sub hand |
| 3BX035F4BAR | others - sub hand |
| 3BX035F4BAY | others - sub hand |
| 1AX065S2BNS | others - hour hand |
| 2AX117S0BNS | others - minute hand |
| 1AX065S2BN1 | others - hour hand |
| 2AX117S0BN1 | others - minute hand |
| 3AA120F2ANS | others - hand |
| 3AA120F2AN1 | others - second hand |
| 0351892 | others - winding stem |
| 81354210 | others - button spring |
| 83200273 | others - button spring clip |
| AD006BAD1 | others - crown and stem gasket |
| AD006BA11 | others - crown and stem gasket |
| V6570C0001C | others - case |
| V6570C00 | others - case back |
| V6570C0002C | others - case |
| V6570C0003C | others - case |
| 0878220 | others - date dial |
| 84331684 | others - dial ring |
| 84331685 | others - dial ring |
| 84331686 | others - dial ring |
| S180BS | others - push pin |
| V6570C44XB19 | others - dial |
| V6570C44XL19 | others - dial |
| V6570C44XS19 | others - dial |
| V65720 | others - machine code |