A ROLEX movement is an incredible feat of engineering. A spring finer than a human hair makes its heart - the oscillator - cover more than 3 times the circumference of the earth every year. Hundreds of #Rolex-made components, some lighter than a snowflake, are hand assembled to create a truly remarkable engine that requires no more power than the movement of the wrist to come to life. Discover calibre 3255, Rolex's new standard in watchmaking. http://on.rolex.com/calibre-3255 #Baselworld 2015