Rolex Daytona “Zenith” 16520 - Black “6 Inverted” Dial - Brushed Oyster Bracelet - Punched Warranty & Box

The "myth" \u80 this is how the Rolex Daytona has been described over the years by Italian collectors. What elevated its status worldwide, despite the current collectability of manual versions, was actually the successor to the '4-digit' models: the 'Zenith' Daytona. In 1988, at the Basel Watch Fair, Rolex introduced the new Daytona to celebrate the model's twenty-fifth anniversary. After years of releasing new references with only subtle differences between the previous and subsequent models—aside from the screw-down pushers revolution—the Daytona was completely reimagined for the first time since its inception with reference 6239. Most importantly, with this new version (ref. 165XX) the Daytona would feature, for the first time, an automatic movement (Cal. Rolex 4030), derived from the historically important Zenith El Primero. Every single Zenith movement received by Rolex during the production was extensively reworked in the Geneva hills, with half of the components replaced, totaling a staggering 200 modifications. The main changes included: reducing the oscillation frequency from 36,000 to 28,800 vibrations per hour, removing the date, and the substantial upgrades to the balance wheel. Aesthetic changes from the predecessor were also significant. The diameter was increased from 37.5 mm to a more modern 40 mm, and the crown and screw-down pushers were, for the first time, interspersed with crown guards, helping to protect the crown and aligning the Daytona's design with the rest of the brand's professional collection. Finally, the dial and case were undoubtedly modernized, thus propelling the model into the future. Production was extremely limited due to Rolex's restricted access to the base Zenith movement. In stark contrast, customers flooded authorized Rolex dealers, eager to purchase the new Daytona. This significant imbalance between supply and demand made the 'Zenith' Daytona the first watch in history to command a premium over its retail price on the secondary market—a feat that has been repeated with each subsequent iteration, continuing to the present day. The present example, reference 16520, datable to 1992, belongs to the early stages of production. As such, it features the famous "inverted 6" on the hours subdial at 6 o'clock and retains the vintage approach with its all-brushed bracelet finish — both characteristics exclusive to the early "Zenith". This historically important timepiece has been kept in very good condition and is accompanied by its original Rolex punched warranty and original box.