CRYSTAL X-
For Audemars Piguet 2121
X/1275
Alternate: 1774/OME 27C12
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Citizen 4401 | 21600 BPH | 5.5 x 6.75 |
| Parker 8NS | A. SCHILD 1003 | |
| Seiko 6531-5090 | SEIKO CASE REFERENCE | |
| Parker 8NS | A. SCHILD 1003 |
