The Seiko 5931-5050 is a watch model based on the 5931 movement.
Parts List
| ES3N63KN00 | crystal |
| 35N47NS5NA5 | crown |
| 0H2820B31 | case back gasket |
| DZ0065B01 | case back gasket - button gasket |
Caliber 5931
Seiko 5931-5050 Watch Guide
The Seiko 5931-5050 is a watch model based on the 5931 movement.
| ES3N63KN00 | crystal |
| 35N47NS5NA5 | crown |
| 0H2820B31 | case back gasket |
| DZ0065B01 | case back gasket - button gasket |