These movements include things like the blue Parachrom hairspring, produced by Rolex inside of a paramagnetic alloy. As well as resisting strong magnetic fields, this hairspring presents excellent steadiness while in the deal with of temperature variations and also large resistance to shocks. It is supplied using a Rolex overcoil, https://sound-social.com/story10631187/5-essential-elements-for-buy-patek-philippe-online