TiC Can be a form of incredibly hard ceramic, and it can even be far more scratch-resistant than sapphire with a Mohs hardness ranking as many as 9.5. The bezel is usually topped with sapphire, supplying as much protection as feasible into the micro gasoline tubes that form the markers. https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/
Not Known Facts About Understanding the complex world of chronometers
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