Calibre 2236 Is fitted with a Syloxi hairspring that is made by Rolex and patented. This silicon hairspring has a patented geometry that makes certain the calibre’s regularity in any situation. Along with his colleague Thomas Earnshaw, the pair would acquire simplified and simple maritime chronometers. Another watchmaker recognized for https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/