Made of Sapphire glass. Easily fits most watch cases with glue or pressure fit. There are NO EXCEPTIONS!
Sapphire Crystal Rado Double Dome Round Shape Gold Trim (30.0×3.2×1.0)mm
Sapphire Crystal Rado Double Dome Silver Trim w/Black Lines(32.5×3.06×1.0)mm
Sapphire Crystal Rado Double Dome Silver and Gold Trim (23.0×2.8×0.90)mm
Sapphire Crystal Rado Double Dome Black Trim (23.0×2.8×0.90)mm Fit 318.3829.4
Watch Sapphire Crystal Glass for Rado Diastar 160.0280.3/160.0281.3 28.3*23.5mm
Hamilton Khaki Field 38mm | Glass Double Dome Sapphire Crystal CLEAR AR Coating