The Seiko 7430-5640 is a watch model based on the 7430 movement.
Parts List
| 30N79NAA | crown |
| 0G2710B02 | case back gasket |
| DZ0065B01 | case back gasket - button gasket |
Caliber 7430
Seiko 7430-5640 Watch Guide
The Seiko 7430-5640 is a watch model based on the 7430 movement.
| 30N79NAA | crown |
| 0G2710B02 | case back gasket |
| DZ0065B01 | case back gasket - button gasket |