MAINSPRING, 1.40 X .50 X 160
For Seiko 5A50-5A80
721/2021
Alternate: SHOCH/ETA 2806
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Citizen 4-074947 | CITIZEN CASE | |
| Citizen 4-155904 | CITIZEN CASE | |
| Citizen 71-2582 | CITIZE CASE REFERENCE |
