TiC Is a kind of extremely challenging ceramic, and it may even be more scratch-resistant than sapphire using a Mohs hardness rating as much as 9.five. The bezel is likewise topped with sapphire, providing as much security as possible to your micro gasoline tubes that variety the markers. The Speedmaster https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/
Brands That manufacture chronometer watches - An Overview
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