These movements include the blue Parachrom hairspring, created by Rolex inside a paramagnetic alloy. As well as resisting solid magnetic fields, this hairspring features good steadiness while in the encounter of temperature variations and large resistance to shocks. It is supplied by using a Rolex overcoil, guaranteeing the calibres’ regularity https://bookmarksea.com/story20380999/top-luxury-watch-green-dial-secrets