Calibre 2236 Is equipped that has a Syloxi hairspring that is made by Rolex and patented. This silicon hairspring includes a patented geometry that assures the calibre’s regularity in almost any position. Also, all a few watches gain from a hid attachment method that makes certain seamless Visible continuity concerning https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/