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 using a Rolex overcoil, ensuring the calibres regularity in any position. The oscillator is equipped on the https://jasperm27s3.blogsuperapp.com/30740528/a-review-of-daydate