Made of nickel-phosphorus, It is additionally insensitive to magnetic fields. The movement is fitted with the optimized blue Parachrom hairspring, created by Rolex inside of a paramagnetic alloy. The blue Parachrom hairspring is equipped that has a Rolex overcoil, ensuring the calibres regularity in any placement. The oscillator is equipped https://andres394n1.ezblogz.com/61875351/not-known-factual-statements-about-daydate