34.60 mm x 32.80 mm x 1.70 mm t-shaped curved (12 to 6) beveled sapphire crystal with anti glare coating, generic (not original) to fit Richard Mille®. Using generic crystals may devalue your watch.
* H. & W. Perrin Company Limited is independent of and not affiliated with or sponsored by Richard Mille®. Richard Mille® warranty does apply to parts supplied by H. & W. Perrin Company Limited.