Calibre 2236 Is equipped with a Syloxi hairspring that is produced by Rolex and patented. This silicon hairspring incorporates a patented geometry that makes certain the calibre’s regularity in any position. Lange & Söhne. I’ll describe why: the German model stepped on to the chronograph phase with their A lot-praised https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/