Calibre 2236 Is fitted by using a Syloxi hairspring that is made by Rolex and patented. This silicon hairspring has a patented geometry that ensures the calibre’s regularity in any placement. In 2022, ZENITH introduced the DEFY Skyline, with its star-studded dial and modern and evocative style and design. Encouraged https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/