TiC Is usually a type of very really hard ceramic, and it can even be more scratch-resistant than sapphire with a Mohs hardness rating as much as 9.five. The bezel is usually topped with sapphire, supplying just as much safety as is possible on the micro gas tubes that sort https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/
An Unbiased View Of Understanding the complex world of chronometers
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