Sapphire Crystal12:49 pm
Sapphire crystal is the world’s toughest glass which protects your watch from dirt, water or any scratches. This synthetic sapphire is lab developed and resists scratches from any metal. The only think that can get it scratched is a diamond. The crystal has the same composition as the natural element and ranks a 9 on Mohs’ hardness scale.
Sapphire crystal is the most expensive glass for you watch protection and usually comes with Swiss watches. The caseback is also often covered with sapphire crystal allowing you to view the movement of the watch. The crystal is coated with an anti reflective layer which allows you to read time perfectly even in sharp sun.
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