Description

The present watch is the Rolex Cosmograph Daytona reference 116528, executed in 18 ct yellow gold with a luminous mother‑of‑pearl dial set with diamond hour markers.

A 40 mm Oyster case in solid 18 ct yellow gold is employed, featuring a fixed tachymetric bezel for timing average speeds and screw‑down pushers paired with a Triplock screw‑down crown to ensure robust water resistance. The natural MOP dial presents iridescent depth unique to each piece, while factory‑set diamond indexes elevate legibility and luxury. Three recessed sub‑registers provide running seconds, 30‑minute, and 12‑hour chronograph totalizers.

Power is supplied by the Rolex manufacture caliber 4130, a self‑winding, column‑wheel chronograph movement renowned for its reliability and efficiency. Parachrom hairspring technology (blue alloy) and vertical clutch architecture enable precise timing, smooth start/stop, and the option to run the chronograph seconds continuously without undue wear. A power reserve of approximately 72 hours is provided in later iterations; earlier examples deliver around 72/50 hours depending on production period.

An integrated 18 ct yellow‑gold Oyster bracelet with solid links and Oysterlock safety clasp completes the watch, delivering comfort, security, and visual continuity with the case. Altogether, reference 116528 combines the Daytona’s motorsport pedigree with high jewelry refinement—its MOP dial and diamond indexes making each example inherently unique while preserving the model’s professional chronograph functionality.

Rolex – bio

Founded in 1905 by Hans Wilsdorf and Alfred Davis in London, initially as Wilsdorf & Davis Ltd. Renamed Rolex by 1908 and moved its base of operations to Geneva, Switzerland in 1919.  Their success is due to their innovation namely the legendary “Oyster” case – first water resistant watch and their extremely reliable movements.
The most famous models are Datejust, Day-Date, Daytona, Explorer, GMT-Master, Submariner and many more.
The company is owned by the Hans Wilsdorf Foundation, a family private trust.
One story, never confirmed by Wilsdorf, recounts that the name came from the French words “horlogerie exquise”, meaning “exquisite clockwork”.