Sapphire Glass in Watchmaking: The Scratch-Resistant Asset for Eternal Durability
The choice of glass is an essential element in the design of a watch. It determines not only the aesthetics and readability of the dial, but also its resistance to everyday aggressions. Among the different options available, sapphire crystal stands out as the absolute reference in high-end watchmaking.
Why is it preferred by top brands? What are its advantages over other types of glass? This article explores in depth the characteristics of sapphire glass and its impact on the quality of a watch.
What is Sapphire Glass?
The sapphire crystal used in watchmaking is a synthetic crystal designed in the laboratory from crystallized aluminum oxide. Its composition makes it almost identical to natural sapphire, while guaranteeing perfect purity and solidity.
Difference with a natural sapphire
Unlike mined gemstones, synthetic sapphire is completely colorless and free of impurities, making it ideal for maximum transparency while offering exceptional strength.
The Advantages of Sapphire Glass in Watchmaking
Unmatched Scratch Resistance
Sapphire crystal is one of the most scratch-resistant materials. It has a hardness of 9 on the Mohs scale, which ranks materials from 1 (talc) to 10 (diamond). Only a diamond or certain industrial materials such as tungsten carbide can scratch it.
Comparison with other types of glass
- Acrylic glass (plexiglass) : Sensitive to scratches, it marks easily and requires regular polishing.
- Mineral glass : More durable than acrylic, but can be marked by sharp or abrasive objects.
- Sapphire Crystal : Extremely hard, virtually scratch-proof in everyday use.
Exceptional Transparency
Sapphire crystal is renowned for its clarity and optimum light transmission. It guarantees perfect reading of the dial, without colour alteration or visual distortion.
Many high-end watches apply an anti-reflective coating to the sapphire crystal to reduce glare and further improve readability in daylight.
Superior Durability
Sapphire crystal is particularly resistant to shocks and external pressures. Its use on diving watches or models intended for extreme conditions is a testament to its robustness.
Unlike mineral glass, which can crack under severe impact, sapphire absorbs mechanical stress better. It thus effectively protects the dial and internal components of the watch.
A Sign of Prestige and Quality
Sapphire crystal is a hallmark of high-end watches. Its use demonstrates a commitment to quality and durability.
Major watch brands almost no longer offer watches with mineral glass on their high-end models. The adoption of sapphire glass has become a standard to guarantee a premium finish and a better perceived value.
Sapphire Glass vs Other Types of Glass: Which One to Choose?
| Glass type | Hardness (Mohs) | Scratch resistance | Transparency | Cost |
|---|---|---|---|---|
| Acrylic (plexiglass) | 3 | Very weak | Good | Weak |
| Mineral | 5-6 | Average | Good | AVERAGE |
| Sapphire | 9 | Excellent | Excellent | Pupil |
Sapphire crystal is therefore the best choice for a watch that combines durability, clarity and elegance.
Why Arlyos Uses Sapphire Glass?
Arlyos is committed to offering watches that combine timeless design and exceptional quality. The integration of sapphire crystal in our models reflects this commitment, ensuring perfect readability and resistance to all tests.
Our watches are designed to last and accompany their owner over the years, without fear of everyday scratches. By choosing Arlyos, you are investing in a watch that is both elegant and resistant.
Sapphire crystal is without a doubt the benchmark material in watchmaking. Its scratch resistance, transparency and robustness make it an essential element for a quality watch.
If you are looking for a watch that can stand the test of time without deterioration, choosing sapphire crystal is a must. This is the requirement that we integrate into each Arlyos model, to offer an exceptional watchmaking experience.
