Our tachymetric scale, introduced in 1963 with the Cosmograph Daytona. Inscribed on the bezel, whether in precious metal or high-tech ceramic, it identifies the model at a glance. Its unfamiliar graduation runs in descending order, from 400 to 60, with units further and further apart, enabling an instant measure of speed over a set distance. Start, then stop the chronograph for an instant reading. To be used as you race towards your next achievement, to measure the breadth of your performance. Discover more https://on.rolex.com/41ViJ4x
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