![Adec® Crystals CY-ADEC09 REF 11930](http://perrinwatchparts.com/cdn/shop/products/CY-ADEC09-300_300x300.jpg?v=1679592904)
Genuine Adec®, 17.80 x 14.38 mm plastic cylinder crystal, Adec® crystal reference A54-11930, fits Adec® case reference 4-949242.
* H. & W. Perrin Company Limited is independent of and not affiliated with or sponsored by Adec®. Adec® warranty does not apply to parts supplied by H. & W. Perrin Company Limited.