Important Collectors' Wristwatches, P...

Geneva, May 08, 2010

LOT 398

Rolex Ref. 16520 - Color Change Dial Rolex, "Oyster Perpetual, Superlative Chronometer, Officially Certified, Cosmograph, Daytona", Ref. 16520. Made in 1993. Fine and rare, self-winding, water-resistant, stainless steel wristwatch with round button chronograph, registers, tachometer and a stainless steel Oysterlock 78390 bracelet. Accompanied by the original fitted box, warranty certificate (now void), hang tags and booklets.

C. Three-body, polished and brushed, screw-down case back, chronograph buttons and Triplock winding crown, tachometer graduation on the bezel to 400 units per hour, sapphire crystal. D. Bicolor black with brownish silver subsidiary dial rings, applied luminous white gold indexes, subsidiary black ring dials for the seconds, the 12-hour and 30-minute registers, outer 1/5th seconds track. Luminous white gold 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.