The Seiko 5931-5040 is a watch model based on the 5931 movement.
Parts List
| SA7N93SN00 | crystal |
| 35N85DX5 | crown |
| 35N85DE5 | crown |
| 0H2370B02 | case back gasket |
| DZ0065B01 | case back gasket - button gasket |
Caliber 5931
Seiko 5931-5040 Watch Guide
The Seiko 5931-5040 is a watch model based on the 5931 movement.
| SA7N93SN00 | crystal |
| 35N85DX5 | crown |
| 35N85DE5 | crown |
| 0H2370B02 | case back gasket |
| DZ0065B01 | case back gasket - button gasket |