Genuine Adec®, 27.40 x 24.50 mm flat mineral crystal with black and gold trim, Adec® crystal reference A54-89318, fits Adec® case reference 4-943597, 4-944429.
* 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.