TiC Is usually a method of incredibly challenging ceramic, and it may even be extra scratch-resistant than sapphire which has a Mohs hardness ranking approximately 9.5. The bezel can also be topped with sapphire, supplying as much security as feasible on the micro gas tubes that type the markers. Chronographs https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/
5 Essential Elements For Understanding The complex world of chronometers
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