The Seiko 7731-5010 is a watch model based on the 7731 movement.
Parts List
| ESGN63SN00 | crystal |
| 25N01DG7 | crown |
| 0H2400B01 | case back gasket - case back gasket |
| LK29B | band - leather band |
| 09P53DGH | others - hour hand |
| 09P53DGM | others - minute hand |
| 1AF055L0BDG | others - hour hand |
| 2AF085L0BDG | others - minute hand |
| 0354371 | others - winding stem |
| DZ0040B01 | others - crown and stem gasket |
| 09P53DBM | others - minute hand |
| 773150104FA | others - case |
| 77315010XG14 | others - dial |
| 773162 | others - machine code |
| 83136250 | others - case ring |
| A180AS | others - push pin |
| 09SC25VG | others - second hand |