Is a Sapphire Glass Apple Watch Even Worth It?
The world’s best (and most expensive) watches all have a sapphire crystal, because sapphire is incredibly hard, making them extremely scratch-resistant and almost scratch-proof under normal use. But sapphire is expensive, so most watches have a glass crystal instead, which isn’t as hard or scratch resistant as sapphire, but still holds up. But is there…
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Dr. Raymond Soneira - DisplayMate Technologies
