Product of nickel-phosphorus, it is also insensitive to magnetic fields. The movement is fitted using an optimized blue Parachrom hairspring, made by Rolex in a very paramagnetic alloy. The blue Parachrom hairspring is supplied that has a Rolex overcoil, guaranteeing the calibres regularity in almost any place. The oscillator is https://lane4j93d.webbuzzfeed.com/30761445/the-best-side-of-daydate