TiC Is a form of very challenging ceramic, and it can even be far more scratch-resistant than sapphire having a Mohs hardness rating nearly 9.5. The bezel is also topped with sapphire, providing just as much safety as you possibly can on the micro gas tubes that variety the markers. https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/
The Basic Principles Of Understanding The complex world of chronometers
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