SHANGHAI FAMOUS TRADE CO.,LTD
| Payment Terms | T/T |
| Supply Ability | By case |
| Delivery Time | 2-4 weeks |
| Packaging Details | custom cartons |
| Material | Doped Al2O3 Sapphire Crystal |
| Surface | Polished |
| Size | Can Be Customzied |
| Hardness | 9.0 |
| Brand Name | ZMSH |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T | Supply Ability | By case |
| Delivery Time | 2-4 weeks | Packaging Details | custom cartons |
| Material | Doped Al2O3 Sapphire Crystal | Surface | Polished |
| Size | Can Be Customzied | Hardness | 9.0 |
| Brand Name | ZMSH | Place of Origin | China |
| High Light | high-hardness sapphire watch crystal ，sapphire watch crystal with AR coating ，optically polished sapphire watch crystal | ||
The sapphire watch crystal is manufactured from high-purity synthetic sapphire single crystal (Al₂O₃), widely recognized as the premium material for high-end watch glass. With exceptional hardness, superior optical clarity, and outstanding durability, sapphire watch crystals provide long-term protection and a refined appearance for luxury and professional timepieces.
Synthetic sapphire features a Mohs hardness of 9, second only to diamond, making it highly resistant to scratches caused by daily wear, such as keys, sand, or metal contact. Compared with mineral glass or tempered glass, sapphire watch crystals maintain their surface clarity and aesthetic quality over extended periods of use.
In addition, sapphire offers excellent chemical stability and corrosion resistance. It does not discolor or degrade over time, ensuring consistent performance in various environmental and climatic conditions.
Sapphire watch crystals provide high light transmission and excellent optical uniformity, allowing a clear and distortion-free view of the watch dial. Through precision polishing processes, the surface can achieve optical-grade smoothness, significantly reducing haze and visual distortion.
Optional anti-reflective (AR) coatings can be applied to one or both surfaces to minimize glare and improve readability, especially under strong light or outdoor conditions.
Structure and ManufacturingSapphire watch crystals can be manufactured in various designs to meet different watch styles and functional requirements, including:
Flat sapphire crystals
Single-domed sapphire crystals
Double-domed (bubble) sapphire crystals
Stepped or custom-shaped sapphire crystals
Each crystal undergoes precision cutting, CNC machining, fine grinding, and multi-stage polishing. The edges are smooth and free from chipping, ensuring high dimensional accuracy and reliable assembly with watch cases.
Sapphire watch crystals are widely used in:
Luxury mechanical watches
Business and dress watches
Sports and outdoor watches
Custom and limited-edition timepieces
They provide an ideal balance of durability, optical clarity, and premium appearance for demanding watch applications.
Custom sapphire watch crystals are available based on drawings or samples. Parameters such as diameter, thickness, curvature, tolerances, and surface treatment can be tailored to specific requirements. Options include single-side or double-side polishing, as well as AR coating, to match different design and performance needs.
The sapphire watch crystal is made from high-purity synthetic sapphire single crystal (Al₂O₃). It is artificially grown under controlled conditions to ensure consistent quality, high optical clarity, and excellent mechanical strength.
Sapphire has a Mohs hardness of 9, making it extremely resistant to scratches in daily use. It can withstand contact with most common materials such as metal objects, sand, and dust, maintaining a clear and smooth surface over time.
Yes. Compared to mineral glass, sapphire watch crystal offers significantly higher hardness, better scratch resistance, superior optical clarity, and longer service life. It is widely used in high-end and luxury watches.
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Company Details
Business Type:
Manufacturer,Agent,Importer,Exporter,Trading Company
Year Established:
2013
Total Annual:
1000000-1500000
Ecer Certification：
Verified Supplier
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 widely used in electronics, op... 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 widely used in electronics, op...
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