The Seiko 1320-6040 is a watch model based on the 1320 movement.
Parts List
| ESJN01JN00 | crystal |
| 35ND1NS5 | crown |
| 35ND1NA5 | crown |
| 0H1550B01 | case back gasket |
| DH0100B01 | case back gasket - crown and stem gasket (4h) |
Caliber 1320
Seiko 1320-6040 Watch Guide
The Seiko 1320-6040 is a watch model based on the 1320 movement.
| ESJN01JN00 | crystal |
| 35ND1NS5 | crown |
| 35ND1NA5 | crown |
| 0H1550B01 | case back gasket |
| DH0100B01 | case back gasket - crown and stem gasket (4h) |