The Seiko 5931-5280 is a watch model based on the 5931 movement.
Parts List
| SA9NX3SN00 | crystal |
| 35ND5N | crown |
| DZ0065B01 | case back gasket - button gasket |
| OH2200B01 | case back gasket |
Caliber 5931
Seiko 5931-5280 Watch Guide
The Seiko 5931-5280 is a watch model based on the 5931 movement.
| SA9NX3SN00 | crystal |
| 35ND5N | crown |
| DZ0065B01 | case back gasket - button gasket |
| OH2200B01 | case back gasket |