The Seiko 7431-5300 is a watch model based on the 7431 movement.
Parts List
| RE9N63JN00 | crystal |
| 30N91NA1 | crown |
| DZ0065B01 | case back gasket - button gasket |
| 0G2940B02 | case back gasket |
Caliber 7431
Seiko 7431-5300 Watch Guide
The Seiko 7431-5300 is a watch model based on the 7431 movement.
| RE9N63JN00 | crystal |
| 30N91NA1 | crown |
| DZ0065B01 | case back gasket - button gasket |
| 0G2940B02 | case back gasket |