The Seiko 7750-5239 is a watch model based on the 7750 movement.
Parts List
| ESSN59SE10 | crystal |
| ESSN59SZ10 | crystal |
| 25N31DA1 | crown |
| 25N31N01 | crown |
| 0H2400B01 | case back gasket - case back gasket |
| DZ0040B01 | others - crown and stem gasket |
Caliber 7750
Seiko 7750-5239 Watch Guide