Important Collector's Watches, Pocket...

Geneva, Nov 11, 2007

LOT 58

Ref. 16520, Stainless Steel ?Cosmograph Daytona? Rolex, "Oyster Perpetual, Superlative Chronometer, Officially Certified, Cosmograph Daytona", case No. U151778, Ref. 16520. Made in 1998. Very fine, self-winding, water-resistant, stainless steel chronometer wristwatch with round button chronograph, registers, tachometer and a stainless steel Rolex Oysterlock bracelet. Accompanied by original fitted box and booklets.

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. White with applied luminous steel indexes, subsidiary black ring 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, free-sprung monometallic balance adjusted to temperatures and 5 positions, shock absorber, self-compensating Breguet balance spring, Microstella regulating screws. Dial, case and movement signed. Diam. 40 mm. Thickness 13 mm.