Some tachymeter/telemeter/pulsometer watches showcased spiral-fashion “snailed” scales on the dial. For the Chronoscope, Omega opted for a more symmetrical look that features a handful of concentric circles which include the significant scale data whilst also not materially distracting from Main dial legibility. Very first launched in 1953, the Rolex Submariner https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/