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