The Seiko 7731-7000 is a watch model based on the 7731 movement.
Parts List
| 275N09SN00 | crystal |
| 30N59DA5 | crown - crown |
| 0G2710B02 | case back gasket |
| LK67B | band - band |
| LK51E | band - leather band |
| 12P03DHH | others - hour hand |
| 12P03DHM | others - minute hand |
| 773170004FA | others - case |
| 82706810 | others - case ring |
| 773162 | others - machine code |
| 77317000XG19 | others - dial |
| 77317020XG14 | others - dial |
| A180BS | others - push pin |
| DZ0040B01 | others - crown and stem gasket |
| 0354371 | others - winding stem |
| 12P03CHH | others - hour hand |
| 12SC31VG | others - second hand |
| 12P63CHM | others - minute hand |
| 12SC35VG | others - second hand |