Some tachymeter/telemeter/pulsometer watches featured spiral-type “snailed” scales around the dial. For your Chronoscope, Omega opted for a far more symmetrical appear that encompasses a couple concentric circles that include the important scale facts though also not materially distracting from core dial legibility. Tag Heuer Carrera 'Glassbox' Chronograph I have had https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/