34.00 mm x 34.00 mm x 3.44 mm (height), curved (6 to 12) square sapphire crystal, generic (not original), to fit Franck Muller®.
* H. & W. Perrin Company Limited is independent of and not affiliated with or sponsored by Franck Muller®. Franck Muller® warranty does not apply to parts supplied by H. & W. Perrin Company Limited.