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Customizable 40mm/42mm Round Sapphire Watch Case in Magenta

sapphire glass
May 20, 2025
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Sapphire (α-Al₂O₃), as the second hardest material after diamond (Mohs hardness 9), has become the material of choice for high-end watch cases due to its exceptional scratch resistance and brilliant optical properties. Utilizing advanced crystal growth and precision machining technologies, we craft sapphire into stunningly colorful watch cases, dials, and jewelry, offering a range of customizable hues including red, blue, yellow, pink, black, and more to meet personalized design demands. As an integrated manufacturer and trader, ZMSH not only supply premium sapphire raw materials but also provide end-to-end customization services—from design to finished product—supporting custom orders based on client drawings to create truly unique horological artistry.