Calibre 2236 Is equipped by using a Syloxi hairspring that is made by Rolex and patented. This silicon hairspring includes a patented geometry that makes certain the calibre’s regularity in any placement. James L. January 14, 2023 The rationale I say that I am shocked is due to Certina being https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/