TiC Is actually a type of exceptionally difficult ceramic, and it may even be additional scratch-resistant than sapphire that has a Mohs hardness rating up to nine.five. The bezel is usually topped with sapphire, offering as much defense as is possible on the micro gas tubes that kind the markers. https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/
5 Essential Elements For Chronometer watches
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