Patek Philippe & Cie, Genève, retailed by Beyer, Zurich, No. 145022, case No. 254305. Sold on October 26, 1908.Fine and rare, 18K yellow gold lady's wristwatch. Accompanied by a certificate.

C. three-body, solid, polished, yellow gold hinged cuvette, wire lugs. D. white enamel with painted Breguet numerals. "Spade" pink gold hands. M. Cal. 12 1/4''', gilt brass, 18 jewels, straight line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance-spring.Dial, case and movement signed. Engraved: "Beyer, Zürich" on the cuvette.Diam. 32 mm.

Patek Philippe & Cie, Genève, No. 761621, case No. 687391, Ref. 2526, third generation. Production of this reference started in 1953.Very fine and rare, self-winding, water-resistant, 18K pink gold gentleman's wristwatch. Accompanied by a fitted box and Extract from the Archives.

C. two-body, solid, polished, screwed down case back, concave lugs.D. off-white enamel with applied pink gold indexes, auxiliary seconds dial. "Dauphine" pink gold hands. M. Cal. 12-600 AT stamped with the Geneva Quality Hallmark, rhodium-plated, "fausses côtes" decoration, 30 jewels, straight line lever escapement, Gyromax balance adjusted to heat, cold, isochronism and 5 positions, shock-absorber, self-compensating free sprunng Breguet balance spring, micrometer regulator, 18K gold rotor. Dial, case and movement signed.Diam. 36 mm.

Patek Philippe & Cie, Genève, No. 863477, case No. 638217. Produced in the early 1940's.Very fine and rare, 18K yellow gold gentleman's wristwatch with square button chronograph, register, tachometer and an 18K yellow gold Patek Philippe buckle. Accompanied by Extract from the Archives.

C. three-body, polished, concave lugs, engraved case back.D. matte silver with applied yellow gold Breguet numerals, auxiliary seconds and 30-minute register dials, outer tachometer graduation. "Spade" yellow gold hands. M. Cal. 13'''-130, rhodium-plated, "fausses-côtes" decoration, 23 jewels, straight line lever escapement, monometallic balance adjusted to 8 positions, Breguet balance-spring, micrometer regulator.Dial, case and movement signed.Diam. 33 mm.

Patek Philippe & Cie, Genève, No. 3124320, case No. 4020024, Ref. 5039. Sold in January 1999.Very fine and rare, astronomic, self-winding, water-resistant, 18K white gold gentleman's wristwatch with perpetual calendar, moon phases and an 18K white gold Patek Philippe deployant clasp. Accompanied by a fitted box and certificate.

C. two-body, solid, polished, transparent case back, stepped bezel with "Hobnail" pattern, sapphire crystals.D. satiné silver with applied white gold indexes, auxiliary dials for the days of the month, of the week, the months, the 24 hours and the leap year, aperture for the moon phases. "Dauphine" white gold hands. M. Cal. 240 Q stamped with the Geneva Quality Hallmark, rhodium-plated, "fausses côtes" decoration, 27 jewels, straight line lever escapement, Gyromax balance adjusted to heat, cold, isochronism and 5 positions, shock-absorber, self-compensating free-sprung flat balance-spring, 22K gold mico-rotor mounted on ball bearings.Dial, case and movement signed.Diam. 35 mm.

Patek Philippe & Cie, Genève, No. 775881, case No. 4000374, Ref. 5039. Produced circa 2000.Very fine and rare, astronomic, self-winding, water-resistant, 18K yellow gold gentleman's wristwatch with perpetual calendar, moon phases and an 18K yellow gold Patek Philippe buckle. Accompanied by a fitted box, extra solid case back, ebony and gold setting pin and a certificate.

C. two-body, solid, polished, transparent case back, stepped bezel with "Hobnail" pattern, sapphire crystals.D. satiné silver with applied yellow gold indexes, auxiliary dials for the days of the month, of the week,the months, the 24 hours and the leap year, aperture for the moon phases. "Dauphine" yellow gold hands.M. Cal. 240 Q stamped with the Geneva Quality Hallmark, rhodium-plated, "fausses côtes" decoration, 27 jewels, straight line lever escapement, Gyromax balance adjusted to heat, cold, isochronism and 5 positions, shock-absorber, self-compensating free-sprung flat balance-spring, 22K gold micro-rotor mounted on ball bearings.Dial, case and movement signed.Diam. 35 mm.

Patek Philippe & Cie, Genève, No. 1957164, case No. 2961754, Ref. 5050. Production of this reference started in 1995 and ended in 2001.Very fine, astronomic, center-seconds, self-winding, 18K yellow gold gentleman's wristwatch with perpetual calendar, retrograde date indication, leap year, moon phases and an 18K yellow gold Patek Philippe buckle. Accompanied by a leather fitted winding box, an extra 18K yellow gold case back and an 18K gold and ebony setting pin.

C. three-body, solid, polished, concave bezel, fluted lugs, screwed-down transparent case back, sapphire crystals. D. matte silver with applied yellow gold Roman numerals, apertures for the days of the week, the months, the moon phases and the leap year, sector below 12 for the retrograde date indication. M. Cal. 315/136 stamped with the Geneva Quality Hallmark, rhodium-plated, "fausses côtes" decoration, 31 jewels, straight line lever escapement, Gyromax balance adjusted to heat, cold, isochroism and 5 positions, shock absorber, self-compensating free-sprung flat balance-spring.Dial, case and movement signed.Diam. 36 mm.

Patek Philippe & Cie, Genève, "Annual Calendar", No. 3131014, case No. 4074915, Ref. 5035. Production of this reference started in 1996.Very fine, center-seconds, self-winding, water-resistant, 18K pink gold gentleman's wristwatch with semi-instantaneous annual calendar mechanism and an 18K pink gold Patek Philippe buckle. Accompanied by a certificate.

C. two-body, solid, polished, screwed-down transparent case back, concave lugs, sapphire crystals. D. matte silver with applied pink gold and luminous Roman numerals, auxiliary dials for the month, the days of the week and the 24 hours, aperture for the date. "Feuille" pink gold and luminous hands. M. Cal. 315/198 stamped with the Geneva Quality Hallmark, rhodium-plated, "fausses côtes" decoration, 35 jewels, straight line lever escapement, Gyromax balance, shock-absorber, self-compensating fre-sprung flat balance-spring, 21K gold rotor.Dial and movement signed. Diam. 37 mm.

Patek Philippe & Cie, Genève, "World time Doha", No. 3206394, case No. 4111643, Ref. 5110. Expressly made in a special edition for the State of Qatar. Production of this reference started in 2000.Very fine and rare, "World Time", self-winding, water-resistant, 18K yellow gold gentleman's wristwatch with an 18K yellow gold Patek Philippe deployant clasp. Accompanied by a certificate.

C. two-body, solid, polished, screwed-down transparent case back, protected crown, pusher on the band linked to the train to activate the settable discs with the different time zones, the 24 hours and jump-type time setting, concave lugs, sapphire crystals. D. "guilloché" silver with applied yellow gold indexes, surrounded by a black and matte silver revolving disc in 24 hours for the diurnal and nocturnal hours, outer revolving ring dial bearing the names of 24 cities in the world with "Doha"n red. "Lozenge" yellow gold hands. M. Cal. 240/188 stamped with the Geneva Quality Hallmark, rhodium-plated, "fausses côtes" decoration, 33 jewels, straight line lever escapement, Gyromax balance, shock-absorber, self-compensating free-sprung flat balance-spring, 22K gold micro-rotor.Dial and movement signed. Diam. 37 mm.

Patek Philippe, Genéve, No. 937169.Very fine and rare, 18K yellow gold, skeletonized, keyless dress watch.

C. Three-piece, "bassine et filets", glazed on both sides, case band and bezels engraved with scroll pattern. D. "Feuille" darkened steel hands moving against the engraved movement. M. Cal. 38 mm (17'''), gilt brass, skeletonized and hand-engraved, 18 jewels, straight line lever escapement, monometallic balance, self-compensating Breguet balance spring, "Swan-neck" micrometric regulator.Case and movement signed.Diam. 47 mm.

Audemars Piguet, Genéve, No. 125184, caseNo. 65209. Produced in 1971.Very fine, 18K white gold and diamonds, skeletonized, keyless dress watch.

C. Three-body with stepped bezel, glazed on both sides, diamond-set front bezel and bow. D. Roman numerals engraved on the case. "Feuille" blued steel hands. M. Cal. 5017,37.5 mm (17'''), gilt bass, skeletonized and hand-engraved, 17 jewels, straight line lever escapement, monometallic balance adjusted to 8 positions, self-compensating Breguet balance spring, "Incablock" anti-shock protection on the balance pivots.Case and movement signed.Diam. 48 mm.

Audemars Piguet, Genève, "John Shaeffer", "Répétition Minutes Quantième Perpetuel No. 6", movement No. 442820, case No. D 73312. Produced in very few examples in the 1990's.Extremely fine and extremely rare, cushion-shaped, astronomic, minute-repeating, platinum gentleman's wristwatch with perpetual calendar, moon phases and a platinum Audemars Piguet buckle. Accompanied by a box and certificate.

C. three-body, solid, polished and brushed, transparent case back with 4 screws, polished and brushed bezel, sapphire crystals. D. transparent with outer minute graduation, auxiliary ring dials for the days of the monthand the months, of the week, the leap year, the phases and the age of the moon. "Cathédrale" black hands.M. Cal. 2866Q, rhodium-plated, "fausses côtes" decoration, 36 jewels, straight line lever escapement, monometallic balance adjusted for heat, cold, isochronism and 5 positions, shock-absorber, self-compensating flat balance-spring, repeating on gongs by activating slide on the band.Dial, case and movement signed.

Audemars Piguet, Genève, John Shaeffer, "Jump Hour, Répétition Minutes", No. 412407, case No. D 83149. Produced in the 1990's.Very fine and rare, cushion-shaped, jump-hour, minute-repeating, 18K yellow gold gentleman's wristwatch with an 18K yellow gold Audemars Piguet buckle. Accompanied by a fitted box and certificate.

C. three-body, solid, polished and brushed, transparent case back, flat and rounded bezel, sapphire crystals.D. white enamel with painted Breguet numerals for the minutes, aperture below the 12 for the jump hour, auxiliary seconds dial. "Cathédrale" blued steel hand. M. Cal. 2865, gilt brass, "fausses côtes" decoration, 34 jewels, straight line lever escapement, monometallic balance adjusted for heat, cold and 5 positions, shock-absorber, self-compensating flat balance-spring, repeating on gongs by activating slide on the band.Dial, case and movement signed.Dim. 33 x 33 mm.

Audemars Piguet, Genève, "John Shaeffer", "Répétition Minutes", No. 7/10, movement No. 435755, case No. D 71840, Ref. PT 257981002. Produced in a limited edition of 10 examples in the 1990's.Extremely fine and rare, cushion-shaped, minute-repeating, platinum gentleman's wristwatch with a platinum Audemars Piguet buckle.

C. three-body, solid, polished and brushed, transparent case back with 4 screws, polished and brushed bezel, sapphire crystals. D. off-white with applied white gold Roman numerals, auxiliary seconds dial. "Feuille" white gold hands. M. Cal. 2865 G, rhodium plated, "fausses côtes" decoration, 34 jewels, straight line lever escapement, monometallic balance adjusted for heat, cold, isochronism and 5 positions, shock-absorber, self-compensating flat balance-spring, repeating on gongs by activatinglide on the band.Dial, case and movement signed.Dim. 33 x 33 mm.

Audemars Piguet, Genève , " Canapé Tourbillon", No. 13/25, movement No. 472659, case No. D 95478, Ref. OR 25876. Produced in a limited edition of 25 examples in 2000.Very fine, very rare and unusual, rectangular, 18K pink gold gentleman's wristwatch with visible one-minute tourbillon regulator and an 18K pink gold Audemars Piguet buckle.

C. two-body, solid, polished and brushed, cylindrical and curly lugs, "bombé" crystal. D. matte silver with applied pink gold Arabic numerals and indexes, at 6 aperture for the visible tourbillon cage under a polished steel bridge. "Bâton" pink gold hands. M. Cal. 2871, rhodium-plated, "fausses côtes" decoration, 19 jewels, lateral lever escapement with one-minute tourbillon regulator with titanium cage and 3 equidistant polished arms, monometallic balance with screws, adjusted to heat, cold an5 positions, self-compensating Breguet balance-spring.Dial, case and movement signed.Dim. 29 x 41 mm.

Audemars Piguet, Genève, "Jules Audemars", "Tourbillon Chronographe", No. 543587, case No. E 67808, Ref. 25909BA. Production of this reference started in 1999.Very fine and very rare, large, 18K white gold gentleman's wristwatch with visible one-minute tourbillon regulator, round button chronograph, register and an 18K white gold Audemars Piguet deployant clasp.

C. three-body, solid, polished and brushed, stepped bezel, straight lugs, transparent case back, sapphire crystals. D. satiné silver with applied white gold Roman numerals on an outer "guilloché" silver reserve, 30 minute register at 3, aperture for the visible tourbillon regulator under a polished steel bridge at 6, carrying the seconds hand. "Feuille-Skeleton" white gold hands. M. Cal. 2879/1, rhodium-plated, "fausses côtes" decoration, 25 jewels, lateral lever escapement with visible one-minte tourbillon regulator with steel cage and 3 equidistant polished steel arms, monometallic balance adjusted to heat, cold and 5 positions, self-compensating Breguet balance-spring.Dial, case and movement signed.Diam. 43 mm.

A. Lange & Söhne, Glashütte i. SA., "Datograph", No. 26260, case No. 136290, Ref. 403.035. Production of this reference started in 2000.Very fine and rare, platinum gentleman's wristwatch with square button fly-back chronograph, register, tachometer, oversized date and a platinum A. Lange & Söhne buckle. Accompanied by a leather fitted box and a certificate.

C. three-body, solid, polished and brushed, rounded bezel, transparent case back with 6 screws, push button on the band for the date correction, sapphire crystals. D. black, made from solid silver, applied white gold Roman numerals, bâton indexes and luminous dots, auxiliary guilloché dials for the 60 second and 30 minute register, outer tachometer graduation, below 12 aperture for the oversized date. "Alpha" luminous white gold hands. M. Cal. L 951.1, Glashütte three-quarter plate, nickel silvr, "fausses côtes" decoration, 40 jewels including 4 in screw-mounted gold châtons, straight line lever escapement, monometallic balance adjusted to 5 positions, shock absorber, self-compensating Breguet balance spring, "Swan-neck" micrometer regulator, hand-engraved balance cock.Dial, case and movement signed.Diam. 38 mm.