1975 Rolex Daytona (Ref. 6263) "Sigma" Black Dial

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First introduced in 1963 the Rolex Daytona has always been the most sought after chronograph. Designed with professional racecar drivers in mind, the Daytona’s precision chronograph and tachymeter bezel allowed drivers to accurately measure speeds up to 400 kilometers or miles per hour. The release of the Daytona came just after Rolex had become the official timekeeper of the Daytona racetrack and the name evolved as a way for the brand to highlight their connection to the celebrated race.

This specific 1975 Sigma Daytona Ref. 6263 example is stunning. The watch really pops due to the three silver sub-dials on the matte black dial. The black bezel insert is in wonderful condition and frames the dial perfectly which adds to the pieces overall legibility while being worn on the wrist.

We love the vintage Cosmograph range of due to the fact that they have a high level of contrast which is something the modern Rolex Daytona range of timepieces has lost due to the completely monochromatic look of the dials found on today modern reference range. 

Stock #
Brand Rolex
Style Daytona
Model 6263 
Serial 39XXXXX
Size Men's
Material Stainless Steel
Dial Matte Black "Sigma"
Millimeters 36
Strap Rolex Oyster 78350 W/ 571 end pieces



The previously polished case retains full, even, lugs. The screw down "trip-lock" crown and Mk.2 screw down pushers are era correct and original to the piece. The bezel remains in an overall excellent vintage condition free from any degradation or cracking. The Rolex 78350 Oyster bracelet with 571 end pieces exhibits some stretch and light wear from use, retaining 12 links.


The excellent matte black "sigma" dial with contrasting silver sub-dials is in excellent condition, the silver subdials exhibit light wear in the hour register and slight hand drag at the top of the minute register. The trapezoidal WG stick markers are free of any corrosion and add to the specific examples era-specific look and feel. The lume plots all remain intact, the 3 o'clock, 6 o'clock and 9 o'clock markers exhibit some degradation normal for this dial configuration and era. The handset remains in good vintage condition, the chronograph sweep seconds hand exhibits some oxidation. The hour hand has aged slightly lighter than the dial exhibiting no lume loss when inspected under U.V. light, the minute hand has been relumed with era correct tritium to match.


None. The watch is running at spec when placed on our timing scope but additional service history is unknown.

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