TiC Can be a method of particularly hard ceramic, and it may even be additional scratch-resistant than sapphire with a Mohs hardness score up to nine.5. The bezel is also topped with sapphire, providing as much defense as you can towards the micro gas tubes that form the markers. Now https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/
5 Essential Elements For Understanding The complex world of chronometers
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