From the Greek "keramos" meaning fired pottery. In watchmaking, aluminium and zirconium oxides (polycrystals) are mainly used in the manufacture of cases and decorative elements, while sapphire (single crystal A1203) is used for glass and rubies (A1203 + Cr203) for stones.
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On June, 12th 2019 - the TAG Heuer manufacture is opening its doors to the Fine Watch Club members!
