What Is A Sapphire Watch Crystal Made Of. Generally there are three types of crystals used in watchmaking. The overwhelming choice for luxury and high-end watches sapphire as used in watch crystals is a synthetic material as opposed to the natural gemstoneOne of the hardest materials on earth its virtually impossible to scratch an illustration of its scratch-resistance are the many flawless crystals which can be found on watches whose cases have been visibly beat up over the years.
As with acrylic this isnt technically glass rather transparent crystallised Aluminium Oxide. Red corundum stones also occur but are called rubies not sapphires. Parti sapphires show two or more colors.
However its usually made from synthetic sapphire not genuine sapphire.
Strictly speaking sapphire glass is not glass at all but a transparent crystalline technical ceramic made of pure aluminium oxide Al2O3. Finally the highest tier of watch crystal is sapphire. Highly regarded in the industry sapphire crystals revolutionised watch crystals in general. Strictly speaking sapphire glass is not glass at all but a transparent crystalline technical ceramic made of pure aluminium oxide Al2O3.
