MAINSPRING 2.90-.21-540 17
For Seiko 6730-5750
721/285
Alternate: 721/FF 32 7.75L
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Citizen 4-G70021 | CITIZEN CASE | |
| Citizen 37-7309 | CITIZE CASE REFERENCE | |
| Citizen 4-096479 | CITIZEN CASE | |
| Citizen 4-G70021 | CITIZEN CASE | |
| Mido 8015 | MIDO CASE REFERENCE | |
| Seiko 2320-5580 | SEIKO CASE REFERENCE |
