Important Collectors' Wristwatches, P...

New York, Jun 11, 2009

LOT 208

Ref. 16520 Color Change Rolex Daytona, "Oyster Perpetual, Superlative Chronometer, Officially Certified, Cosmograph, Daytona," Ref. 16520. Made circa 1991. Very fine and rare, self-winding, water-resistant, stainless steel wristwatch with round button chronograph, registers, tachometer and a stainless steel Rolex Oysterlock bracelet, Ref. 78390. Accompanied by a chronometer certificate and instruction booklet. To be sold without reserve

C. Three-body, polished and brushed, screw-down case back, chronograph buttons and Triplock winding crown, tachometer graduation on the polished bezel to 400 units per hour, sapphire crystal. D. Bicolor black and brownish 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, 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.