TiC Is really a form of very challenging ceramic, and it may even be additional scratch-resistant than sapphire which has a Mohs hardness ranking nearly nine.5. The bezel can be topped with sapphire, supplying as much safety as feasible into the micro gas tubes that variety the markers. Chopard's Mille https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/
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