TIMING WEIGHT, HEAVY
For Seiko Y643-0110
250/956
Alternate: 250/956
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Seiko 1F21-0E60 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 4N00-7019 | SEIKO CASE 971201 |
