22.75 mm x 18.27 mm triangular shaped, curved (12 to 6 and 9 to 3) mineral crystal, generic (not original, to fit Hamilton® reference 6335, Hamilton® reference 242110 Using generic crystals may devalue your watch.
* H. & W. Perrin Company Limited is independent of and not affiliated with or sponsored by Hamilton®. Hamilton® warranty does not apply to parts supplied by H. & W. Perrin Company Limited.