Some tachymeter/telemeter/pulsometer watches showcased spiral-design “snailed” scales to the dial. For that Chronoscope, Omega opted for a more symmetrical search that includes a couple concentric circles that come with the critical scale info though also not materially distracting from Main dial legibility. Sinn T50 I have been on one thing https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/