May 06, 2026
Brand: Rolex
Model: Daytona Ref.16518
Year: 1997
Case: 40mm
Material: Yellow Gold
Dial: White
Functions: Chronograph
Movement: 4030 Automatic
Bracelet/Strap: Brown Leather
Accessories: Original Box & Papers
Warranty: 24 Months
Launched for the first time in the late 1980s, the Rolex Cosmograph Daytona Ref. 16518 marked a significant evolution in the history of this chronograph from the crowned house. With an 18-carat yellow gold case and leather strap, the 16518 was powered by the calibre 4030, based on the famous Zenith El Primero movement, making it one of the celebrated “Daytona Zenith” models produced between 1988 and 2000.
These watches were the first automatic Cosmograph Daytonas and ushered in a new era of modernity for Rolex’s flagship chronograph. What distinguishes this particular reference is the so-called “inverted 6” configuration, meaning “reversed 6”: on the white dial, the 6 in the hour counter at 6 o’clock appears upside down.
The example presented here dates back to 1997 and belongs to the very first series with this dial variation, which later became highly sought-after by collectors and was subsequently corrected in later productions. Paired with applied Arabic numerals and contrasting chronograph subdials, the dial exudes rare elegance while maintaining a sporty allure. The 40 mm case is in yellow gold and retains the strong proportions and screw-down pushers that define the Daytona, offering water resistance and durability. Combined with the brown leather strap and yellow gold deployant clasp, the Rolex Cosmograph Daytona Ref. 16518 acts as a bridge between the world of elegant watches and that of robust sports chronographs.
As specified, the mechanical heart of this reference is the Rolex calibre 4030, derived from Zenith’s calibre 400, likely the best chronograph movement in production at the time. The modifications carried out by Rolex were numerous and included key aspects such as the removal of the date function, the introduction of the Microstella-regulated balance, and the reduction of the beat rate from 36,000 to 28,800 vibrations per hour. The example presented here is full set.