Rolex Oyster Perpetual Superlative Chronometer Cosmograph
Ref. 16519, White Gold Cosmograph Daytona Rolex, “Oyster Perpetual, Superlative Chronometer, Officially Certified, Cosmograph Daytona, ” Ref. 16519. Made in 1998, sold July 9, 1998. Fine, self-winding, water-resistant, 18K white gold wristwatch with round button chronograph, registers, tachometer and an 18K white gold Rolex deployable clasp. Accompanied by the original wooden box, hang tag and Guarantee Certificate (now void).
Three-body, solid, polished and brushed, screwed-down case back, crown and buttons, Triplock winding crown protected by the crown guard, tachometer graduation on the bezel to 400 units per hour, sapphire crystal. D. Bicolor white and silver with applied gold Arabic numerals and luminous white gold baton indexes, subsidiary dials for the seconds, the 12-hour and 30-minute registers. Luminous white gold baton hands. M. Cal. 4030, rhodiumplated, oeil-de-perdrix decoration, 31 jewels, straight-line lever escapement, monometallic balance adjusted to 6 positions, shock absorber, self-compensating free-sprung Breguet balance spring, Microstella regulating screws. Dial, case and movement signed. Diam. 40 mm. Thickness 13 mm.