Cyclops Magnification: Rolex watches generally function a small magnifying lens, called the Cyclops, over the day window. Reliable Rolex timepieces will have a two.5x magnification, generating a day quickly readable. Counterfeit watches typically have a reduce magnification or imperfect alignment. Commencing production simultaneously since the ref. 6200, the Submariner ref. https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/