TiC Is a form of extremely hard ceramic, and it may even be additional scratch-resistant than sapphire by using a Mohs hardness score up to 9.5. The bezel can also be topped with sapphire, giving just as much protection as possible to your micro gasoline tubes that variety the markers. https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/
Rolex Watches for Dummies
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