Calibre 3230 incorporates the patented Chronergy escapement, fabricated from nickel-phosphorus, which mixes substantial Electrical power efficiency with excellent dependability and is likewise resistant to sturdy magnetic fields. This movement is fitted With all the blue Parachrom hairspring, produced by Rolex in a paramagnetic alloy. The Rolex President 118xx series is https://cruzadmwj.blogdemls.com/30365068/rolex-date-just-things-to-know-before-you-buy