新源光学实业有限公司
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Complete the new watch collection with this premium-quality sapphire watch case. Carefully crafted and expertly produced, this transparent sapphire watch case has a hardness that ranks nine out of ten in the Mohs scale, making it the hardest material second to diamond. It is also designed to be anti-impact, anti-scratch, and with high electrical resistance, so it withstands the test of time. Protect the meticulously created dial with this top-performance piece.