The Seiko 7431-5280 is a watch model based on the 7431 movement.
Parts List
| REAN61JEID | crystal |
| 30N39NA1 | crown |
| 0G2750B01 | case back gasket - case back gasket |
| DZ0065B01 | case back gasket - button gasket |
Caliber 7431
Seiko 7431-5280 Watch Guide
The Seiko 7431-5280 is a watch model based on the 7431 movement.
| REAN61JEID | crystal |
| 30N39NA1 | crown |
| 0G2750B01 | case back gasket - case back gasket |
| DZ0065B01 | case back gasket - button gasket |