MAINSPRING 21/0
For Seiko 9550-5139
705/1390
Alternate: 30.040/FF 417-1
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Seiko V400-5080 | SEIKO CASE REFERENCE | |
| Seiko V810-5850 | SEIKO CASE 08/12/98 | |
| Seiko V810-5850 | SEIKO CASE 08/12/98 | |
| Seiko Y101-5050 | PULSAR CASE REFERENCE |
