TiC Is really a sort of incredibly hard ceramic, and it may even be extra scratch-resistant than sapphire having a Mohs hardness ranking up to 9.5. The bezel is additionally topped with sapphire, providing just as much defense as you can into the micro gas tubes that type the markers. https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/
Rolex Watches for Dummies
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