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