Important Modern and Vintage Timepieces

Hong Kong, Oct 23, 2011

LOT 284

ROLEX - REF. 16520 ?DAYTONA? Rolex, "Oyster Perpetual, Superlative Chronometer, Officially Certified, Cosmograph, Daytona," case No. X 979935, Ref. 16520. Made in 1991. Fine and rare, self-winding, water-resistant, stainless steel wristwatch with round button chronograph, registers, tachometer and a stainless steel Oysterlock bracelet Ref. 78390. Accompanied by a fitted box, warranty (now void) and extra link.

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, silver subsidiary ring dials, applied luminous white gold indexes, subsidiary 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 165 mm