Some tachymeter/telemeter/pulsometer watches featured spiral-style “snailed” scales over the dial. With the Chronoscope, Omega opted for a far more symmetrical glimpse that incorporates a few concentric circles which include the significant scale information when also not materially distracting from core dial legibility. Age and Rarity: Classic or confined version Rolex https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/