Calibre 2236 Is fitted which has a Syloxi hairspring that is made by Rolex and patented. This silicon hairspring contains a patented geometry that makes certain the calibre’s regularity in any placement. In addition, all 3 watches benefit from a hid attachment program that makes certain seamless visual continuity among https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/