JEWEL, UPPER BALANCE CAP
For Seiko SO21A
720-039
Alternate: M/3931
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Citizen 4-038029 | CITIZEN CASE | |
| Citizen 86-0913 | CITIZE CASE REFERENCE | |
| Citizen 4-899237 | CITIZE CASE REFERENCE | |
| Citizen 86-0913 | CITIZE CASE REFERENCE | |
| Citizen 9220A | QUARTZ DIGITAL | |
| Seiko 4219-5100 | SEIKO CASE REFERENCE | |
| Seiko Y131-5790 | SEIKO CASE REFERENCE |
