Important Collectors' Wristwatches, P...

New York, Jun 10, 2010

LOT 325

Rolex Ref. 6263 Oyster Cosmograph Daytona Rolex, Genève, case No. 5382646, Ref. 6263 / 6239. Made circa 1977. Fine, water-resistant, stainless steel wrist-watch with black bezel, round button chro-nograph, registers, tachometer and a stainless steel Rolex Oyster bracelet Ref. 78350. Accompanied by a fitted box, blank guarantee certificate (now void), hang tag, booklets and polishing cloth.

USD 25,000 - 30,000

EUR 20,000 - 25,000 / CHF 28,000 - 35,000

Sold: USD 28,800

C. Three-body, polished and brushed, screweddown case back, buttons and Triplock winding crown, tachometer graduation on the bezel to 200 units per hour. D. Bicolor black and silver with applied steel baton indexes and luminous dots, outer 1/5th seconds track, subsidiary guilloché dials for the seconds, the 12-hour and 30-minute registers. Luminous steel baton hands. M. Cal. 727, rhodium-plated, 17 jewels, straight-line lever escapement, monometallic balance adjusted to 3 positions, shock absorber, self-compensating Breguet balance spring, Microstella regulating screws. Dial, case and movement signed. Diam. 37 mm. Thickness 13 mm. Approx. overall length 200 mm.


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Grading System
Grade: AAA

Excellent
Case: 3-8

Good

Slightly scratched
Movement: 3*

Good

Overhaul recommended, at buyer's expense
Dial: 3-6-01

Good

Slightly oxidized

HANDS Original

Notes

The term Sigma dial refers to the addition of the O symbol flanking the T Swiss T signature at the bottom of the dial that resembles the letter Sigma in the Greek alphabet. The "O" on the Rolex dials refers to the Italian word "Oro", or the French "Or", and indicates the use of white gold batons. Sigma dials, particularly with the famous "Big Red" Daytona signature, are considered the most desirable dial after the Paul Newman version.