TiC Is actually a sort of very tricky ceramic, and it may even be more scratch-resistant than sapphire which has a Mohs hardness rating as many as 9.five. The bezel can be topped with sapphire, giving just as much safety as is possible to your micro gas tubes that variety https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/
The Basic Principles Of Understanding The complex world of chronometers
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