Some tachymeter/telemeter/pulsometer watches showcased spiral-style “snailed” scales on the dial. For the Chronoscope, Omega opted for a more symmetrical seem that features a couple of concentric circles which include the vital scale info when also not materially distracting from Main dial legibility. The ref. 16800 has a tendency to get https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/