31.00 mm x 3.20 mm (thick) round mineral crystal with tapered sides and a silver trim, generic (not original), to fit Kenneth Cole® REF 3170. 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.