Some tachymeter/telemeter/pulsometer watches highlighted spiral-type “snailed” scales over the dial. For that Chronoscope, Omega opted for a more symmetrical search that features a number of concentric circles which include the significant scale information and facts even though also not materially distracting from Main dial legibility. 6200 and ref. 6205. There https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/