Calibre 3230 incorporates the patented Chronergy escapement, product of nickel-phosphorus, which mixes superior Vitality effectiveness with wonderful dependability and is likewise immune to solid magnetic fields. This motion is equipped with the blue Parachrom hairspring, manufactured by Rolex in a very paramagnetic alloy. Actions: Caliber 3055 The 180XX collection or https://roledaydate72592.blogocial.com/everything-about-rolex-datejust-41-66510910