Made of nickel-phosphorus, It is additionally insensitive to magnetic fields. The movement is equipped using an optimized blue Parachrom hairspring, manufactured by Rolex in the paramagnetic alloy. The blue Parachrom hairspring is equipped that has a Rolex overcoil, making certain the calibres regularity in almost any place. The oscillator is https://edgar749x5.blogolenta.com/27117684/everything-about-daydate