20.50 mm / 24.40 mm x 18.30 mm / 23.80 mm x 1.00 mm “trapezoid” shaped, curved (12 to 6 and 9 to 3) mineral crystal, generic (not original), to fit Hamilton® reference 6230 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.