Product of nickel-phosphorus, Additionally it is insensitive to magnetic fields. The movement is equipped with the optimized blue Parachrom hairspring, created by Rolex within a paramagnetic alloy. The blue Parachrom hairspring is provided by using a Rolex overcoil, ensuring the calibres regularity in almost any position. The oscillator is equipped https://elliotg06r3.verybigblog.com/29751635/the-best-side-of-daydate