TiC Is often a form of particularly tricky ceramic, and it can even be extra scratch-resistant than sapphire by using a Mohs hardness score around nine.five. The bezel can also be topped with sapphire, supplying just as much protection as feasible into the micro fuel tubes that form the markers. https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/
Brands That manufacture chronometer watches - An Overview
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