Calibre 2236 Is fitted with a Syloxi hairspring that is produced by Rolex and patented. This silicon hairspring incorporates a patented geometry that guarantees the calibre’s regularity in any place. Pierre Jaquet-Droz (1721-1790), founder of the trendy watchmaking home that bears his name, was not just Probably the most renowned https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/