SWEEP SECOND TENSION SPRING
For Longines 506
770/LEC 916
Alternate: 770/LEC 916
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Hamilton 748 | SS 18 JEWEL * | |
| Seiko 4207-0010 | SEIKO CASE REFERENCE | |
| Seiko 4N00-5630 | SEIKO CASE 08/12/98 | |
| Seiko 4N00-5630 | SEIKO CASE 08/12/98 |
