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customized thickness sapphire window
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...Sapphire Crystal Watch Case For Customized Movement The Kyropoulos method, referred to as KY, was first proposed by Kyropoulos in 1926 and used for ...
2024-12-09 20:25:59
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Round Shape Yellow Sapphire Crystal Watch Case With Crown Hole Czochralski method, or CZ method for short. First heating the raw material to the ...
2024-12-09 20:25:59
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One-Piece Sapphire Crystal Watch Case And Top Glass For 6497 Movement Watches with precious metal cases will also show a high level of collection ...
2024-12-09 20:25:59
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Product Description: Sapphire—a material that is almost as hard as diamond—has been used in watches for years as the crystals over the dials (in part ...
2024-12-09 20:25:59
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