THIRD WHEEL & PINION
For Seiko Y131-5010
4121/77
Alternate: 5121
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Bulova 8671984 | ||
| Citizen 4-832299 | CITIZEN CASE | |
| Hamilton 805 | 11.5 | |
| Seiko 4720-7020 | SEIKO CASE REFERENCE |
