TiC Is often a sort of really tough ceramic, and it can even be much more scratch-resistant than sapphire using a Mohs hardness score up to 9.five. The bezel is also topped with sapphire, offering just as much safety as possible to your micro gas tubes that variety the markers. https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/
5 Essential Elements For Chronometer watches
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