Some tachymeter/telemeter/pulsometer watches featured spiral-model “snailed” scales on the dial. For your Chronoscope, Omega opted for a more symmetrical glance that features a handful of concentric circles which include the important scale data when also not materially distracting from core dial legibility. Afterwards examples can be found while in the https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/