MAINSPRING
For Seiko Y147-8020
400/1364
Alternate: 6-1/KIF ULTRAFLEX
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Seiko 5Y39-1040 | SEIKO CASE 08/12/98 | |
| Seiko Y136-6C00 | SEIKO CASE REFERENCE COSERVE 2003/2004 |
