The Seiko V657-6120 is a watch model based on the V657 movement.
Parts List
| 310P02LN03 | crystal - crystal |
| 8M45B1SNW0 | crown - crown |
| 0G310BAA1 | case back gasket - case back gasket |
| AD006BAA1 | pusher - button gasket |
| HA0Z02PMS0 | pusher |
| HA0Z02PMB0 | pusher - button |
| 4HC8JZ | band - band |
| band Kautschuk | band |
| 3AA115FAAAM | others - second hand |
| 3AA115FAAAN | others - second hand |
| 3AA115FAAAT | others - second hand |
| 3AA115FAAAP | others - second hand |
| 3BA040F2BNS | others - sub hand |
| 3BA040F2BAY | others - sub hand |
| 3BA040F2BAR | others - sub hand |
| 3BA040F2BAL | others - sub hand |
| 3AA115FAAAJ | others - second hand |
| 2AB115L6BSS | others - minute hand |
| 1AB080L4BSS | others - hour hand |
| 3BA040F2BAW | others - sub hand |
| 3AA115FAANS | others - second hand |
| 2AB115L6BSB | others - minute hand |
| 1AB080L4BSB | others - hour hand |
| 3BA040F2BNB | others - sub hand |
| 81518099 | others - case back screw |
| 0351892 | others - winding stem |
| 83200273 | others - button spring clip |
| 81351630 | others - button spring |
| AD006BA11 | others - crown and stem gasket |
| 0878220 | others - date dial |
| 0878221 | others - date dial |
| T160BS | others - push pin |
| V65720 | others - machine code |
| V6576151XB13 | others - dial |
| V6576151XB23 | others - dial |
| V6576151XL13 | others - dial |
| V6576151XL23 | others - dial |
| V6576151XL33 | others - dial |
| V6576151XR23 | others - dial |
| V6576151XY13 | others - dial |
| V6576151XY23 | others - dial |
| V6576161XS13 | others - dial |
| V6576120SHA | others - case |
| V6576120 | others - case back |
| 3AA115FAAAF | others - second hand |