Manufactured from nickel-phosphorus, it is also insensitive to magnetic fields. The motion is fitted by having an optimized blue Parachrom hairspring, produced by Rolex in a paramagnetic alloy. The blue Parachrom hairspring is supplied having a Rolex overcoil, guaranteeing the calibres regularity in any situation. The oscillator is fitted to https://felix52727.fare-blog.com/30350183/detailed-notes-on-daydate