Calibre 2236 Is equipped which has a Syloxi hairspring that is made by Rolex and patented. This silicon hairspring contains a patented geometry that makes sure the calibre’s regularity in any place. Along with his little workforce, Ellis searched locally for manufacturers who could make the parts to his measurements. https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/
5 Simple Statements About Understanding The complex world of chronometers Explained
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