Important Collectors Wristwatches, Po...

Geneva, Nov 14, 2009

LOT 270

Ref. 16520, 6 Inverted Rolex, "Oyster Perpetual, Superlative Chronometer, Officially Certified, Cosmograph, Daytona?, case No. S158562, Ref. 16520. Made in 1994. Very fine, self-winding, water-resistant, stainless steel chronometer wristwatch with round button chronograph, registers, tachometer and a stainless steel Rolex Oysterlock bracelet.

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, outer 1/5th seconds/minute divisions. 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. Approx. overall length 190 mm.