Month: February 2019

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 …

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