Exceptional horologic works of art

Hotel Noga Hilton, Geneva, Oct 11, 2003

LOT 522

Rolex Oyster Perpetual "Date Just", Officially Certified Chronometer, Ref. 6309. Production of this reference started in the 1950s. Very fine and rare, tonneau-shaped, center-seconds, self-winding, water-resistant, 18K pink gold gentleman's wristwatch for left-hander with date.

C. three-body, solid, polished and brushed, screwed-down case back and left-handed crown, reeded revolving bezel embossed with Arabic numerals in relief for 60-minute graduation, crystal with "Cyclops" lens. D. black with applied pink gold triangular and dart faceted indexes and tritium dots, aperture for the date. Tritium-coated "Alpha" gold hands. M. 10 1/2''' rhodium-plated, 18 jewels, straight line lever escapement, monometallic balance, self-compensating Breguet balance-spring.Dial, case and movement signed.Diam. 36 mm.