Made of nickel-phosphorus, It is usually 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://beauu38o9.fireblogz.com/61530885/a-simple-key-for-daydate-unveiled