Product of nickel-phosphorus, Additionally it is insensitive to magnetic fields. The movement is equipped with an optimized blue Parachrom hairspring, made by Rolex within a paramagnetic alloy. The blue Parachrom hairspring is provided using a Rolex overcoil, ensuring the calibres regularity in almost any position. The oscillator is equipped on https://spencersvur2.blogtov.com/10705142/daydate-can-be-fun-for-anyone