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Sapphire transparent case

color doped sapphire
July 24, 2025
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A sapphire transparent watch case is a high-end timepiece component crafted from synthetic corundum (Al₂O₃ monocrystal), renowned for its exceptional hardness, optical clarity, and aesthetic versatility. These cases enable full visibility of the watch movement while combining industrial functionality with jewelry-like elegance.
Brief: Discover the Sapphire Transparent Watch Case, crafted from Al₂O₃ single crystal for unmatched scratch resistance and optical clarity. Perfect for luxury, sports, and smartwatches, this high-end component combines durability with elegant design.
Related Product Features:
  • Ultra-hardness with Mohs hardness of 9, second only to diamond, ensuring scratch resistance in extreme environments.
  • 92% light transmittance for clear visibility of intricate watch movements, comparable to diamond.
  • Lightweight design with a density of 3.95 g/cm³, enhancing comfort for extended wear.
  • Withstands temperatures from -20°C to 600°C and resists corrosive environments like acids and seawater.
  • Customizable colors and complex geometries, including thin profiles and intricate designs.
  • Ideal for luxury watches, sports, dive watches, and smartwatches with capacitive touch sensitivity.
  • Capable of avant-garde designs like 30° sharp-angle cuts and floating double-layer structures.
  • MIL-STD-810G certified to withstand 50G mechanical shock and 2000Hz vibration for extreme durability.
Faqs:
  • Will a sapphire watch case scratch easily?
    Sapphire watch cases are highly scratch-resistant (Mohs hardness 9) but can still crack under extreme impact or be scratched by diamond-tipped tools.
  • How to verify if a watch case is genuine sapphire?
    Use a hardness test (scratch with diamond), check for uniform transparency, or confirm via brand-certified documentation.
  • What are the applications of sapphire transparent watch cases?
    They are used in luxury watches, sports and dive watches, smartwatches, concept watch designs, space watches, and racing watches due to their durability and aesthetic versatility.
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