The Seiko 7731-5000 is a watch model based on the 7731 movement.
Parts List
| ESGN87SN00 | crystal |
| 25N01DA6 | crown |
| 0H2370B02 | case back gasket |
| 0354371 | others - winding stem |
| DZ0040B01 | others - crown and stem gasket |
| 09P27DGH | others - hour hand |
| 7731500025A | others - case |
| 77315000XG15 | others - dial |
| 773162 | others - machine code |
| 83136530 | others - case ring |
| 09P27DGM | others - minute hand |
| 09SC25VG | others - second hand |