FAQ

Scratches AR Coating

FAQ: Why Are There Scratches on My Sapphire Crystal?

So, you’ve bought a watch with a sapphire crystal. You’ve knocked it accidentally against a wall, a door frame, whatever. And, it’s scratched. But how could this have happened?! It’s sapphire; it’s scratchproof! Why are there scratches on it? A word or two about sapphire crystal Watch crystals are made of synthetic sapphire. In terms …

FAQ: Why Are There Scratches on My Sapphire Crystal? Read More »

What is AR coating?

FAQ: What Is Anti-Reflective Coating on a Watch Crystal?

In the technical specifications of modern watches, we often see the term “anti-reflective coating” or “AR coating”. Have you ever wondered what it is? In this article of the series, in which we answer the frequently asked questions, we’ll do our best to explain it. Some history John William Strutt, 3rd Baron Rayleigh, introduced the …

FAQ: What Is Anti-Reflective Coating on a Watch Crystal? Read More »