Important Collectors Watches, Pocket ...

Geneva, Mar 29, 2009

LOT 100

Ref. 16520 Color Change Mark II Rolex, "Oyster Perpetual, Superlative Chronometer, Officially Certified, Cosmograph, Daytona", case No. W663580, Ref. 16520/16500. Sold on August 1, 1996. Fine and rare, self-winding, water-resistant, stainless steel wristwatch with round button chronograph, registers, tachometer and a stainless steel Oysterlock bracelet. Accompanied by the original fitted box and guarantee certificate (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. Bicolor black and reddish silver with applied luminous steel indexes, subsidiary dials for the seconds, the 12-hour and 30-minute registers. Luminous steel baton hands. M. Cal. 4030, rhodium-plated, 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. Approx. overall length 170 mm.