The Seiko V810-6640 is a watch model based on the V810 movement.
Parts List
| K01A95LN03 | crystal - crystal |
| 35E43NN1 | crown |
| 70D1LB | band - band |
| 70D1KB | band - band |
| 2AE045LABNG | others - minute hand |
| 1AE030LABNG | others - hour hand |
| 0354365 | others - winding stem |
| V81066402HA | others - case |
| 82826890 | others - case ring |
| V81066402SA | others - case |
| B080BS | others - push pin |
| V81010 | others - machine code |
| V8106060XG14 | others - dial |
| V8106060XN14 | others - dial |
| V8106060XS14 | others - dial |