Sapphire Crystal

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tempusmaximus
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Sapphire Crystal

Post by tempusmaximus »

Sapphire has been an increasingly popular material to use for watch crystals over the last ten years or more . Due to its impressive hardness qualities , sapphire provides incredible scratch resistance when compared to acrylic or hardened mineral.

http://www.woundforlife.com/2014/05/16/ ... e-crystal/
Bernie
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