Calibre 2236 Is fitted with a Syloxi hairspring that is made by Rolex and patented. This silicon hairspring incorporates a patented geometry that makes sure the calibre’s regularity in almost any position. To market the artwork of watchmaking to as Many of us as feasible, ZENITH gets to be the https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/