Some tachymeter/telemeter/pulsometer watches featured spiral-model “snailed” scales around the dial. To the Chronoscope, Omega opted for a more symmetrical glimpse that encompasses a few concentric circles which include the essential scale information though also not materially distracting from Main dial legibility. Supply is pretty mounted. A lot of of these https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/