Some tachymeter/telemeter/pulsometer watches showcased spiral-fashion “snailed” scales within the dial. To the Chronoscope, Omega opted for a more symmetrical look that encompasses a couple concentric circles that come with the essential scale info though also not materially distracting from Main dial legibility. Age and Rarity: Classic or minimal version Rolex https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/