The Seiko 5931-7040 is a watch model based on the 5931 movement.
Parts List
| 35NA3NA1 | crown |
| 0G2410B02 | case back gasket |
| DZ0065B01 | case back gasket - button gasket |
Caliber 5931










The Seiko 5931-7040 is a watch model based on the 5931 movement.
| 35NA3NA1 | crown |
| 0G2410B02 | case back gasket |
| DZ0065B01 | case back gasket - button gasket |









