CRYSTAL X-
For Seiko 8S21-5010
721/309
Alternate: 721/309
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Citizen 4-H16595 | CITIZEN CASE | |
| France Ebauches 8121 | QUARTZ-ANALOG-DSS-CALD. W/CORR-STOP SECOND- | 11.5 |
