TiC Is a sort of extremely really hard ceramic, and it can even be additional scratch-resistant than sapphire that has a Mohs hardness ranking up to 9.five. The bezel can be topped with sapphire, providing as much defense as feasible into the micro gasoline tubes that type the markers. ZENITH https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/
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