Orient watch crystal glass

The dial is made of plastic, glass or crystal. The crystal glass is a stronger structure, that is more resistant to scratches and breakage than normal glass. (ISO standard). The Orient watches are equipped with mineral glass or sapphire glass. The glass of the Orient watches is of high quality and durable.



This watch glass is cured with various minerals form of crystal glass. The mineral glass is harder and less sensitive to scratches. This type of glass is used in the Orient watches.


Glass of synthetic sapphire. Due to its hardness it is scratch resistant but brittle than plexiglass. Mohs-scale hardness: 9 As a comparison on the same scale, diamond has a hardness of 10. Many Orient watches have the inscription: "sapphire crystal".



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