Some tachymeter/telemeter/pulsometer watches highlighted spiral-fashion “snailed” scales around the dial. For your Chronoscope, Omega opted for a far more symmetrical glimpse that incorporates a number of concentric circles that come with the essential scale data while also not materially distracting from Main dial legibility. The Rolex Submariner is the product https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/