TiC Can be a sort of extremely tricky ceramic, and it can even be extra scratch-resistant than sapphire which has a Mohs hardness ranking approximately nine.five. The bezel is usually topped with sapphire, providing just as much safety as feasible into the micro gas tubes that sort the markers. It https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/
Brands That manufacture chronometer watches - An Overview
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