These movements contain the blue Parachrom hairspring, produced by Rolex inside of a paramagnetic alloy. As well as resisting strong magnetic fields, this hairspring provides excellent stability inside the confront of temperature variants together with higher resistance to shocks. It is supplied that has a Rolex overcoil, making certain the https://xyzbookmarks.com/story20246980/rolex-submariner-2015-fundamentals-explained