37.90 mm x 33.60 mm x 2.50 mm (thick) T-shaped, flat bottom, curved top (12 to 6) mineral crystal with black trim and silver digits, generic (not original), to fit Kenneth Cole® REF 3691. Using generic crystals may devalue your watch.
* H. & W. Perrin Company Limited is independent of and not affiliated with or sponsored by Kenneth Cole®. Kenneth Cole® warranty does not apply to parts supplied by H. & W. Perrin Company Limited.