TiC Can be a form of very hard ceramic, and it may even be far more scratch-resistant than sapphire with a Mohs hardness ranking as many as 9.5. The bezel is usually topped with sapphire, supplying as much protection as you can to your micro gas tubes that type the https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/
About Brands That manufacture chronometer watches
Internet 14 days ago galileoi914jez2Web Directory Categories
Web Directory Search
New Site Listings