The Seiko V721-6A40 is a watch model based on the V721 movement.
Parts List
| 260P02LN03 | crystal |
| 8M35A0SNG2 | crown - crown |
| 8M35A0BNG1 | crown - crown |
| 8M35A0SJC1 | crown - crown |
| 0F250NA1S | case back gasket |
| 0F250BA1S | case back gasket - case back gasket |
| 86563380 | crystal gasket - plastic gasket for crystal |
| FBZ1BG | band - band |
| FBZ2BG | band - band |
| FBZ5EG | band - band |
| FAT5BG | band - band |
| FBZ3EG | band - band |
| FBZ4BG | band - band |
| 2AF105LABNG | others - minute hand |
| 3AA125F1ANG | others - second hand |
| 86177531 | others - crystal plastic gasket |
| 0351890 | others - winding stem |
| V7216A407S | others - case |
| 82738240 | others - case ring |
| A160BS | others - push pin |
| V7216A407SZ | others - case |
| V7216A40RC | others - case |
| AD006BA12 | others - crown gasket |
| 1AF075LMBNG | others - hour hand |
| 2AC105AMBAA | others - minute hand |
| 2AX105A0BAA | others - minute hand |
| 1AC075AMBAA | others - hour hand |
| 1AX075A0BAA | others - hour hand |