CRYSTAL X-
For Seiko 5P39-5A20
506-2131
Alternate: 8100-2284W
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Crc 962/21 | 21,600 BPH DSS CALD | 10.5 |
| Felsa 917 | 28,800 BPH KIF ELASTOR DSS ALARM AUTO CALD | 13.5 |
