Calibre 3230 incorporates the patented Chronergy escapement, fabricated from nickel-phosphorus, which mixes high Vitality performance with excellent dependability and is usually resistant to strong magnetic fields. This motion is fitted with the blue Parachrom hairspring, created by Rolex inside of a paramagnetic alloy. Previous to this innovation, watches did not https://rolex-oyster-perpetual-da34432.actoblog.com/31178858/rolex-oyster-perpetual-datejust-secrets