The Seiko 5931-5160 is a watch model based on the 5931 movement.
Parts List
| SA8N65SN00 | crystal |
| 35N85DA5 | crown - crown |
| 35N85DJ5 | crown |
| DZ0065B01 | case back gasket - button gasket |
| 0H2450B01 | case back gasket |
| QI016 | others - other band |
Caliber 5931
Seiko 5931-5160 Watch Guide