MAINSPRING 21/0
For Seiko Y642-5010
A/3977
Alternate: 290/1
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Seiko 6349-5480 | SEIKO CASE REFERENCE | |
| Bulova 2650.10 | QUARTZ | 5.5 x 6.75 |
| Seiko 6349-5480 | SEIKO CASE REFERENCE | |
| Seiko V011-0010 | PUL CSREF:80634719(1)IS LONGEST P.BTTN |
