TiC Is usually a kind of extremely difficult ceramic, and it may even be a lot more scratch-resistant than sapphire with a Mohs hardness score nearly 9.5. The bezel is likewise topped with sapphire, providing as much security as possible towards the micro gas tubes that variety the markers. ZENITH https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/
The Greatest Guide To Understanding The complex world of chronometers
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