Calibre 3230 incorporates the patented Chronergy escapement, made from nickel-phosphorus, which combines higher energy efficiency with fantastic dependability and is likewise proof against solid magnetic fields. This motion is equipped Together with the blue Parachrom hairspring, produced by Rolex in the paramagnetic alloy. The classic 36mm Rolex Datejust was the https://rolex-date-just16946.blogtov.com/11046018/rolex-oyster-perpetual-datejust-secrets