Calibre 2236 Is equipped using a Syloxi hairspring that is produced by Rolex and patented. This silicon hairspring contains a patented geometry that assures the calibre’s regularity in almost any position. British watch companies of time have been sluggish to leave guiding the their hand-crafting customs for mass output. This https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/