The Seiko 1320-5939 is a watch model based on the 1320 movement.
Parts List
| RE6N41JN00 | crystal |
| 35ND1NA5 | crown |
| 0H1600B01 | case back gasket - case back gasket |
| DH0100B01 | case back gasket - crown and stem gasket (4h) |
Caliber 1320
Seiko 1320-5939 Watch Guide