Some tachymeter/telemeter/pulsometer watches highlighted spiral-model “snailed” scales around the dial. For the Chronoscope, Omega opted for a far more symmetrical glimpse that features a couple of concentric circles that include the crucial scale info though also not materially distracting from core dial legibility. Similar to the ref. 6536 higher than, https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/