Important Collectors Watches, Pocket ...

New York, Dec 11, 2008

LOT 522

Ref. 16520, Stainless Steel Cosmograph Daytona Rolex, "Oyster Perpetual, Superlative Chronometer, Officially Certified, Cosmograph Daytona,? Ref. 16520. Made in 1990, sold April 17th, 1991. Very fine and rare, self-winding, water-resistant, stainless steel chronometer wristwatch with round button chronograph, registers, tachometer and a stainless steel Rolex Oyster bracelet. Accompanied by original fitted box and guarantee (now void).

C. Three-body, polished and brushed, screwed-down case back, buttons and crown, Triplock winding crown protected by the crown guard, tachometer graduation on the bezel to 400 units per hour, sapphire crystal. D.White with applied white gold Arabic numerals and luminous indexes, subsidiary black ring dials for the seconds, the 12-hour and 30-minute registers. Luminous white gold baton hands. M. Cal. 4030, rhodiumplated, oeil-de-perdrix decoration, 31 jewels, straight-line lever escapement, monometallic balance adjusted to temperatures and 5 positions, shock absorber, self-compensating free-sprung Breguet balance spring, Microstella regulating screws. Dial, case and movement signed. Diam. 40 mm. Thickness 13 mm.