The Seiko 5931-5390 is a watch model based on the 5931 movement.
Parts List
| ES7N93SN00 | crystal |
| 35N85DE5 | crown |
| 0H2600N01 | case back gasket - case back gasket |
| DZ0065B01 | case back gasket - button gasket |
| 0H2400B01 | case back gasket - case back gasket |
| GK14A | band - leather band |
| A180BS | others - push pin |
Caliber 5931
