Some tachymeter/telemeter/pulsometer watches highlighted spiral-style “snailed” scales around the dial. For the Chronoscope, Omega opted for a more symmetrical search that contains a couple concentric circles that include the vital scale information even though also not materially distracting from core dial legibility. Just like the ref. 6536 previously mentioned, it https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/