30.97 mm x 24.09 mm x 4.00 mm (thick) rectangular shaped with point at 12 and a point at 6, flat bottom, curved top (12 to 6) mineral crystal, generic (not original), to fit the Ice® model Dorco. Using generic crystals may devalue your watch.
* H. & W. Perrin Company Limited is independent of and not affiliated with or sponsored by Ice®. Ice® warranty does not apply to parts supplied by H. & W. Perrin Company Limited.