Patek, Philippe & Cie., Genève, No. 97939, case No. 223020, made for Tiffany & Co. New York, circa 1900. Very fine 18K gold minute-repeating keyless watch with split-seconds chronograph.

C. Four-body, "bassine", polished, hinged gold cuvette.D. White enamel, Breguet numerals, outer minute/sec-ondstrack with five-minute/seconds red Arabic markers, sunk subsidiary seconds. Gold "Louis XV" hands.M. 38 mm (17'''), nickel, "fausses côtes" decoration, 36 jewels, calibrated straight line lever escapement, cut-bimetalliccompensation balance with Breguet balance spring, "swan-neck" micrometric regulator, split-secondsmechanism under the dial, repeating on gongs through slide in the band.Dial and movement signed Tiffany & Co, case stamped PPc.Diam. 45 mm.

Rolex Oyster Perpetual, Officially Certified Chrono-meter, Ref. 6062. Production of this reference started in 1950. Extremely fine and very rare, astronomic, tonneau-shaped, self-winding, water-resistant, 18K yellow gold gentleman?s wristwatch with triple date and moon phases

C. Two-body, solid, polished, screwed-down case back and crown.D. Black with applied yellow gold star and tritium-coated dart indexes, sub-sidiaryseconds, outer graduation for the days of the month in gold paintedArabic numerals, apertures for the days of the week, the months and the moonphases. Tritium-coated yellow gold "Dauphine" hands.M. 9 3/4''', rhodium-plated, 19jewels, straight line lever escapement, monometallic balance, self-compensating Breguet bal-ance-spring.Dial, case and movement signed.Diam. 35 mm.

Rolex Oyster Perpetual, Officially Certified Chronometer, Ref. 6062. Production of this reference started in 1950. Extremely fine and very rare, astronomic, tonneau-shaped, self-winding, water-resistant, 18K yellow gold gentleman?s wristwatch with triple date, moon phases and an 18K yellow gold Rolex buckle.

C. Two-body, solid, polished and brushed, screwed-down case back.D. Matte silver with applied yellow gold star and tritium-coated dart indexes,subsidiary seconds, outer graduation for the days of the month in blue Arabicnumerals, apertures for the days of the week, the months and the moon phases. Tri-tium-coated yellow gold "Dauphine" hands.M. 9 3/4''', rhodium-plated, 19 jewels,straight line lever escapement, monometallic balance, self-compensating Breguet balance-spring.Dial, case and movement signed.Diam. 35 mm.

Rolex "Chronographe Rattrapante", Ref. 4113. Made in a limited series of 12 examples only in 1942. Exceptionally rare and extremely fine, oversized, stainless steel gentleman's wristwatch with square button chronograph, register, tachometer and telemeter and coaxial button on the winding-crown.

C. Three-body, polished and brushed, stepped concave lugs.D. Matte silver withapplied pink gold Arabic numerals and baton indexes, guilloché sunk subsidiary secondsand 30-minute register dials, outer 1/5th second track and tachometer graduation in blueArabic numerals, concentric, telemeter scale. Steel "Baton" hands.M. Cal. 17 1/2''' rhodium-plated,17 jewels, straight line lever escapement, monometallic balance, self-compensatingBreguet balance-spring.Dial, case and movement signed, the coaxial single button on the winding-crown is for start-stop andreturn to zero functions of the chronograph.Diam. 44 mm.