TiC Is often a kind of incredibly challenging ceramic, and it can even be more scratch-resistant than sapphire which has a Mohs hardness ranking around 9.5. The bezel can also be topped with sapphire, offering as much security as is possible on the micro gas tubes that type the markers. https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/
Not Known Facts About Understanding the complex world of chronometers
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