The Seiko 1320-603A is a watch model based on the 1320 movement.
Parts List
| ESHN99HE10 | crystal |
| 35NH5NS1 | crown - crown |
| 0H1550B01 | case back gasket |
| DH0100B01 | case back gasket - crown and stem gasket (4h) |
Caliber 1320
Seiko 1320-603A Watch Guide
The Seiko 1320-603A is a watch model based on the 1320 movement.
| ESHN99HE10 | crystal |
| 35NH5NS1 | crown - crown |
| 0H1550B01 | case back gasket |
| DH0100B01 | case back gasket - crown and stem gasket (4h) |