Some tachymeter/telemeter/pulsometer watches showcased spiral-fashion “snailed” scales on the dial. For the Chronoscope, Omega opted for a far more symmetrical glimpse that incorporates a several concentric circles that include the vital scale data even though also not materially distracting from core dial legibility. Initially introduced in 1953, the Rolex Submariner https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/