Cyclops Magnification: Rolex watches commonly attribute a little magnifying lens, known as the Cyclops, around the date window. Authentic Rolex timepieces could have a 2.5x magnification, producing a day very easily readable. Counterfeit watches typically Have a very lessen magnification or imperfect alignment. 6200 and ref. 6205. There's some dispute https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/