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Sapphire Transparent Watch Case Al₂O₃ Single Crystal Scratch-Resistant

China Sapphire Transparent Watch Case Al₂O₃ Single Crystal Scratch-Resistant

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Sapphire Transparent Watch Case Al₂O₃ Single Crystal Scratch-Resistant

MOQ： 5
Price： By case
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Payment Terms	T/T
Supply Ability	1000pcs per month
Delivery Time	2-4 weeks
Packaging Details	package in 100-grade cleaning room
Mohs Hardness	9
Density	3.95g/cm³
Light Transmittance	92%
Machining Tolerance	±10 μm
Thickness Range	8–50 mm
Applications	Luxury Watches,Sports & Dive Watches
Brand Name	ZMSH
Model Number	Sapphire Transparent Watch Case
Certification	rohs
Place of Origin	CHINA

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Product Specification


Payment Terms	T/T	Supply Ability	1000pcs per month
Delivery Time	2-4 weeks	Packaging Details	package in 100-grade cleaning room
Mohs Hardness	9	Density	3.95g/cm³
Light Transmittance	92%	Machining Tolerance	±10 μm
Thickness Range	8–50 mm	Applications	Luxury Watches,Sports & Dive Watches
Brand Name	ZMSH	Model Number	Sapphire Transparent Watch Case
Certification	rohs	Place of Origin	CHINA
High Light	Sapphire Crystal Al₂O₃ Single Crystal ，Watch Case Al₂O₃ Single Crystal ，Sapphire Transparent Watch Case

Sapphire Transparent Watch Cases Introduction

Sapphire Transparent Watch Case Al₂O₃ Single Crystal Scratch-Resistant

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.

Sapphire Transparent Watch Cases Core Features

1. Ultra-Hardness & Durability

Mohs hardness of 9 (second only to diamond), resisting scratches even in extreme environments like deep-sea diving or aerospace applications.
Machined via diamond wire cutting and fluid polishing to achieve micron-level surface smoothness.

2. Optical Transparency

92% light transmittance (comparable to diamond), enabling precise visualization of complex movements such as tourbillons and chronographs.
Customizable colors (e.g., pink, blue, gradient tones) through controlled doping with elements like titanium or chromium.

3. Lightweight & Complex Design

Density of 3.95 g/cm³ (lower than titanium), enhancing comfort for extended wear.
Capable of intricate geometries (e.g., Gothic arches, asymmetric lugs) and thin profiles (8–50 mm thickness).

4. Environmental Resistance

Withstands temperatures from -20°C to 600°C and corrosive environments (acids, seawater).

Sapphire Transparent Watch Cases Applications

1. Luxury Watches: Sapphire cases to highlight technical artistry, such as a gradient pink case.

2. Sports & Dive Watches: Deep-sea models leverage scratch resistance and water resistance up to 300+ meters.

3. Smartwatch Application: Sapphire cases maintain 9H hardness while ensuring capacitive touch sensitivity through precise thickness control (0.6-1.2mm) and specialized surface treatments, supporting multi-touch and gesture operations.

4. Concept Watch Design: Five-axis CNC machining creates avant-garde designs like 30° sharp-angle cuts and floating double-layer structures, perfectly embodying futuristic aesthetics.

5. Space Watch Requirements: Withstanding extreme temperature cycling tests (-196℃～300℃) and maintaining stable thermal expansion at 5.3×10⁻⁶/K, ensuring reliable sealing in space environments.

6. Racing Watch Durability: MIL-STD-810G certified to withstand 50G mechanical shock and 2000Hz vibration, protecting movements during extreme racing conditions.

7. Luxury Jewelry Watch Craftsmanship: PVD-coated 18K gold/platinum layers on sapphire surfaces combine hardness with precious metal luster.

8. Vintage Watch Aging: Patent-pending ion etching replicates 50-year natural oxidation while preserving material integrity.

9. Dual-tone Gradient Technology: Precise dopant concentration control creates natural color transitions (e.g."midnight blue→aurora green") with 0.01mm/step accuracy.

10. Stealth Logo Technique: Femtosecond laser creates 50-200nm internal structures revealing logos only at specific angles without affecting transparency.

11. Smart Sensor Window: Integrated ITO circuits (≤50Ω/□ sheet resistance) enable NFC charging and biosignal transmission.

12. Light-Interactive Design: 1200-groove/mm holographic gratings create dynamic spectral effects with wrist movement, transforming cases into wearable art.

Sapphire Transparent Watch Case of ZMSH's service

1. Color Customization

20+ color options (e.g., ruby red, sapphire blue, gradient violet) achieved through controlled doping and high-temperature crystallization.

2. Shape & Size Flexibility

Custom geometries (circular, square, octagonal) and thicknesses (8–50 mm) to fit diverse movement designs.

3. Functional Enhancements

Anti-reflective coatings for reduced glare and helium-tight sealing for vacuum compatibility.
Integration of sensors for smart wearables (e.g., heart rate monitoring).

4. Bespoke Solutions

Accepts 3D CAD files for fully customized designs, with a production cycle of 40–120 days depending on complexity.

Sapphire Transparent Watch Cases FAQ

1. Q: Will a sapphire watch case scratch easily?

A: Sapphire watch cases are highly scratch-resistant (Mohs hardness 9) but can still crack under extreme impact or be scratched by diamond-tipped tools.

2. Q: How to verify if a watch case is genuine sapphire?

A: Use a hardness test (scratch with diamond), check for uniform transparency, or confirm via brand-certified documentation.

Tags: #Sapphire Transparent Watch Case, #Al₂O₃ Single Crystal, # Scratch-Resistant

Company Details

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Business Type:

Manufacturer,Agent,Importer,Exporter,Trading Company 
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Year Established:

2013 
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Total Annual:

1000000-1500000
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SHANGHAI FAMOUS TRADE CO.,LTD. locates in the city of Shanghai, Which is the best city of China, and our factory is founded in Wuxi city in 2014. We specialize in processing a varity of materials into wafers, substrates and custiomized optical glass parts.components wi... SHANGHAI FAMOUS TRADE CO.,LTD. locates in the city of Shanghai, Which is the best city of China, and our factory is founded in Wuxi city in 2014. We specialize in processing a varity of materials into wafers, substrates and custiomized optical glass parts.components wi...

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