Calibre 2236 Is fitted with 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. Pierre Jaquet-Droz (1721-1790), founding father of the fashionable watchmaking home that bears his identify, was not just one of https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/