Important Modern & Vintage Timepieces

Geneva, May 14, 2017

LOT 351

ROLEX REF. 16520 ZENITH NO DAYTONA, A SERIAL, STEEL Rolex, "Oyster Perpetual, Superlative Chronometer, Officially Certified, Cosmograph, Daytona", case No. A318484, Ref. 16520/16500. Sold in 2000. Fine, self-winding, water-resistant, stainless steel wristwatch with round button chronograph, registers, tachometer and a stainless steel Oysterlock bracelet. Accompanied by the original warranty, booklets and fitted box.

CHF 35,000 - 55,000

HKD 280,000 - 440,000 / USD 35,000 - 55,000

Sold: CHF 43,750

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. Bicolor white and black subsidiary dial rings, applied luminous white gold indexes, subsidiary dials for the seconds, the 12- hour and 30-minute registers, outer minute and 1/5th seconds divisions. Luminous white gold baton hands. 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.

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Grading System
Grade: AAA


Case: 2-8

Very good

Slightly scratched

Movement: 2*

Very good

Overhaul recommended, at buyer's expense

Dial: 2-01

Very good

HANDS Original


Dial, case and movement signed. DIAM. 40 mm. THICKNESS 13 mm. Approx. overall length 175 mm. While collectors start researching the series of the automatic Daytonas more and more due to the increased collectability of their manual versions, it is fascinating to discover new variations such as this example. Currently known in only 4 other examples, this A series Daytona does not feature the red Daytona inscription above the hour counter like all the other examples.