Calibre 2236 Is fitted which has a Syloxi hairspring that is produced by Rolex and patented. This silicon hairspring contains a patented geometry that assures the calibre’s regularity in any place. No matter whether for unique pleasure or as an investment decision selection, COSC-accredited watches distinguish on their own while https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/