MAINSPRING 12.5-7-19.5 HOLE
For Seiko 6923-6050
A/4454
Alternate: 2557/1/ST 193
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Seiko 2F50-6309 | SEIKO CASE | |
| Longines R6400-4775 | LONGIN CASE REFERENCE | |
| Seiko 2F50-6309 | SEIKO CASE | |
| Seiko 7N82-0809 |
