TiC Is actually a sort of extremely really hard ceramic, and it may even be much more scratch-resistant than sapphire having a Mohs hardness rating nearly 9.5. The bezel is also topped with sapphire, offering as much security as possible to the micro gas tubes that form the markers. It https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/
An Unbiased View Of Understanding the complex world of chronometers
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