Calibre 2236 Is fitted having a Syloxi hairspring that is made by Rolex and patented. This silicon hairspring has a patented geometry that assures the calibre’s regularity in any placement. Moreover, all three watches benefit from a hid attachment procedure that makes certain seamless Visible continuity involving the bracelet and https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/