Some tachymeter/telemeter/pulsometer watches showcased spiral-style “snailed” scales on the dial. For your Chronoscope, Omega opted for a more symmetrical seem that contains a number of concentric circles that come with the essential scale data though also not materially distracting from Main dial legibility. The advent of the 1st Submariner Date, https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/