Important Collectors' Wristwatches, P...

New York, Dec 09, 2009

LOT 372

Rolex Ref. 16520 Color Change Dial Rolex, "Oyster Perpetual, Superlative Chronometer, Officially Certified, Cosmograph, Daytona", W series. Ref. 16520. Made in 1997. 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 a fitted Rolex box 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. Black with brownish silver subsidiary dial rings, applied luminous steel indexes, subsidiary dials for the seconds, the 12-hour and 30-minute registers, outer minute/seconds division. 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.