Calibre 2236 Is equipped by using a Syloxi hairspring that is made by Rolex and patented. This silicon hairspring includes a patented geometry that assures the calibre’s regularity in almost any placement. James L. January 14, 2023 The key reason why I say that I am stunned is because of https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/