REGULATOR
For Seiko 2621-5200
721/1717
Alternate: 721/FEF 6620
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Seiko 1400-5059 | SEIKO CASE REFERENCE | |
| Seiko 4130-8040 | SEIKO CASE REFERENCE | |
| Seiko 9020-5720 | SEIKO CASE REFERENCE | |
| Seiko 4130-8040 | SEIKO CASE REFERENCE |
