Description

1. Sapphire glass with cyclops and without cyclops , these crystals are widely used for Rolex watch surface. Usually our tolerance for this model is +/*0.*3mm for diameter, +/*0.*5mm for thickness.
2. This kind of perfect optical sapphire crystals have excellent transparency in wide spectrum , high hardness (about Mohs 9) , the chemical purity is so far as to *9.**5%,  and precise orientation of optical axes . 
3. Any customized shape and size is welcome, we will produce it strictly according to the technical drawing from customers.
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