MAINSPRING(OLD #5021)4X10X11.5
For Seiko 2C20-0240
721/884
Discontinued: Yes, use MS-JA223
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Seiko 8420-6819 | SEIKO CASE REFERENCE | |
| Seiko W810-4010 | SEIKO CASE REFERENCE COSERVE 2003/2004 |
