The Seiko 7730-5020 is a watch model based on the 7730 movement.
Parts List
| REAN51SE10 | crystal - crystal |
| 30N59DA5 | crown - crown |
| 0F240NA11 | case back gasket |
| LK61B | band - band |
| 09P07DGM | others - minute hand |
| 08P13DGH | others - hour hand |
| 08P13DGM | others - minute hand |
| 77305020EAA | others - case |
| 82713730 | others - case ring |
| 773013 | others - machine code |
| 77305020XG14 | others - dial |
| A190BS | others - push pin |
| 0354371 | others - winding stem |
| DZ0040B01 | others - crown and stem gasket |
Caliber 7730
Other models with the same movement
| 7730-0010 |
| 7730-5030 |
| 7730-5040 |
| 7730-5059 |
| 7730-5069 |