Calibre 2236 Is equipped which has a Syloxi hairspring that is produced by Rolex and patented. This silicon hairspring provides a patented geometry that makes certain the calibre’s regularity in any placement. Lange & Söhne. I’ll explain why: the German manufacturer stepped onto the chronograph phase with their A great https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/
Chronometer watches - An Overview
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