This Rolex Cosmograph Daytona reference 16520 is regarded by many collectors as one of the finest chronographs ever made. Powered by the legendary Zenith-based movement, featuring perfectly balanced proportions and a striking black dial, the so-called "Zenith Daytona" has achieved cult status among enthusiasts. It is no surprise that it remains one of the most sought-after vintage Rolex sports models.
The immaculate black dial stands out with its contrasting white rings surrounding the three sub-dials, giving the watch a distinctive and highly legible appearance. The red "DAYTONA" inscription above the 6 o'clock register adds a subtle splash of color and perfectly complements the overall design. This example furthermore features the desirable "inverted 6" dial, identifiable by the upside-down numeral 6 in the 12-hour counter. Rolex used this dial configuration until the mid-1990s, before changing the orientation of the numeral on later production watches.
The stainless steel case is preserved in excellent condition and appears to have seen very little wear. A particularly attractive detail is the original Rolex hologram sticker, which is still present on the case back — a rare indication of the careful treatment this watch has received over the years. The Oyster bracelet is equally well preserved and shows virtually no stretch.
Inside beats the Rolex caliber 4030. Based on the legendary Zenith El Primero, it was extensively reworked by Rolex to meet the brand's own standards for precision and reliability. It is this heritage that gave the reference 16520 its enduring nickname, the "Zenith Daytona".
The Daytona offered here impresses with its excellent overall condition and is equally appealing to collectors and those looking for a watch to enjoy on a regular basis. Its desirable black dial, original Rolex hologram sticker, and beautifully preserved Oyster bracelet make it a particularly attractive example of the reference 16520.
Condition
Dial: immaculate black dial – original tritium lume in the hour markers and hands – signed "Rolex Oyster Perpetual Superlative Chronometer Officially Certified Cosmograph Daytona T Swiss Made T".
Case: stainless steel case in excellent condition – very light signs of wear – original Rolex hologram sticker on the case back – crisp reference and serial numbers between the lugs – correct case back engravings – screw-down Rolex Triplock crown – screw-down chronograph pushers – tachymeter bezel in great condition.
Movement: automatic Rolex caliber 4030 – timegrapher results: rate +6 s/day, beat error 0.7 ms, amplitude 237°.
Bracelet: stainless steel Oyster bracelet – natural signs of wear – virtually no stretch – reference 78390 – clasp code S9 (1994) – adjustable wrist size from 17.6 to 19.4 cm.
Serial number: S331xxx (1994)
Int.Exe.: 2359045