TiC Is often a method of particularly hard ceramic, and it may even be much more scratch-resistant than sapphire using a Mohs hardness ranking around nine.five. The bezel can also be topped with sapphire, supplying as much safety as you can to your micro fuel tubes that form the markers. https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/
Chronometer watches for Dummies
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