Cosmograph Daytona rolex-rolex-deepsea John Hardy sterling silver men's

John Hardy sterling silver men's chain bracelet adorned with kyanite

Roberto Coin 18K rose gold bangle accented with a diamond flower motif

Each end of the bangle showcases a rhodolite and diamond adorned sculpted cap

Jaffe oval engagement ring setting featuring an oval cut diamond at its center

14K white gold necklace featuring an initial "M" pendant adorned with diamonds

Cosmograph Daytona rolex-rolex-deepsea John Hardy sterling silver men'sThe tachymetric scale With its tachymetric scale, its three counters and its pushers, the Cosmograph Daytona was designed to be the ultimate timing tool for endurance racing drivers. The bezel features a tachymetric scale to read average speed over a given distance based on elapsed time. This scale offers optimal legibility, making the Cosmograph Daytona the ideal instrument for measuring speeds up to 400 units per hour, expressed in kilometres or