Calibre 2236 Is fitted which has a Syloxi hairspring that is made by Rolex and patented. This silicon hairspring has a patented geometry that ensures the calibre’s regularity in any place. Lange & Söhne. I’ll demonstrate why: the German manufacturer stepped on to the chronograph stage with their A lot-praised https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/