Jacques-Frédéric Houriet, No. 76961. Made circa 1820. Very fine and very rare, 18K pink gold, double-train independent dead center-seconds pocket watch with 12-hour and minute register.

C. Four-body, ?Directoire,? solid, entirely engine-turned, case back with monogram, gold hinged cuvette withwinding apertures and inscribed with movement details, ?bombé? crystal. D. ?Guilloché? silver, at 3 Arabicchapter ring for the regular hours and minutes, at 9 Roman chapter ring for the hour and minute register, outerseconds divisions, at 6 subsidiary seconds dial. Blued steel ?fuchsia? hands. M. 23???, frosted gilt, bridge caliber,4 jewels, double barrel with Maltese stopworks, ruby cylinder escapement, gilt 3-arm balance, flat balance-spring,?Parachute? shock-absorber on the top balance pivot, slide button at 6 to activate/deactivate the independentdead center-seconds mechanism controlled by a flirt.Case stamped with Neuchâtel hallmark and French import marks, dial numbered, movement stamped withHouriet?s mark ?HF? on the plate under the dial.Diam. 57 mm.

Patek, Philippe & Cie., Genève, No. 191425, case No. 610481, made in 1919. Very fine and very rare chromium-plated brass, large keyless deck watch with stop feature.

C. Three-piece, ?Torpedo,? polished, stop/start pushbutton at 4.D. Silver, champlevé ?bâton? indexes, outer minute divisions,subsidiary seconds. Blued steel ?feuille? hands. M. 49 mm(22???), Model 21 o, frosted gilt, 25 jewels, eight adjustments,straight line calibrated lever escapement, anibal-brassGuillaume compensation balance with special alloy Breguetbalance-spring, ?swan-neck? micrometric regulator, punchedtwice with Seal of Geneva Quality mark,unusual motion work for the transmission fromthe fourth wheel to the seconds arbor.Dial, case and movement signed.Diam. 91 mm.

Albert H. Potter & Co. Ge-neva, retailed by Bailey, Banks & Biddle, Philadelphia, No. 579. Made in the 1880s. Very fine, hunting-cased, keyless, 18K yellow gold pocket watch. Accompanied by a Bailey, Banks & Biddle box.

C. Four-body, "bassine et filets,? solid, polished, monogrammedcover, cuvette with photographic portrait of a young lady.D. White enamel with radial Roman numerals, outer minutering, subsidiary sunk seconds dial. Blued steel "Breguet" hands.M. Cal. 20''', ?AP?-shaped bridge caliber,nickel, ?fausses côtes? decoration, 21 jewels,straight line calibrated lever escapement, cut-bimetalliccompensation balance with gold screws, bluedsteel Breguet balance-spring.Dial and movement signed, case signed by the retailer.Diam. 53 mm.

Audemars Frères & Co. Made for the British market in the 1890s. Very fine, hunting-cased, keyless, astronomic, minute-repeating, 18K pink gold pocket watch with perpetual calendar, moon phases, split-seconds chronograph with 30-minute register.

C. Five-body, "bassine et filets,? solid, polished, gold hinged cuvette. D. White enamel with large Arabic numerals,outer minute ring, outermost 1/5th seconds graduation, 4 sunk subsidiary dials for the days of the month, theweek, the months of the 4 year leap cycle and concentric 30-minute register, aperture for the moon phases. Bluedsteel ?spade? hands. M. Cal. 21''', maillechort, 31 jewels, straight line lever escapement, cut bimetallic compen-sationbalance, blued steel Breguet balance-spring, chronograph and split-seconds mechanism on the back plate,repeating on gongs by activating slide on the band.Diam. 57 mm.

Patek Philippe & Cie, No. 824509, case No. 608974. Made in 1930, sold in December 1931. Very fine, rectangular, 18K white gold gentleman's wristwatch with an 18K white gold Patek Philippe buckle. Accompanied by a fitted box, certificate and Extract from the Archives.

C. Two-body, solid, polished, hinged case back, triangular lugs. D. Satiné silver with applied white gold Breguetnumerals, subsidiary seconds dial. White gold "spade" hands. M. Cal. 10''', rhodium plated, ?fausses côtes? deco-ration,18 jewels, straight line lever escapement, cut bimetallic compensation balance adjusted to heat, cold,isochronism and 5 positions, blued steel flat balance-spring.Dial, case and movement signed.Dim. 26 x 35 mm. Thickness: 7 mm.

Rolex, Oyster Perpetual Date, "Submariner, Panama Canal,? Superlative Chronometer Officially Certified, Ref. 16613. Made in a limited edition of 75 examples in 1999. Fine and extremely rare, center-seconds, self-winding, water-resistant to 330 meters, stainless steel and 18K yellow gold gentleman's wristwatch with a stainless steel and 18K yellow gold "Fliplock" Oyster bracelet. Accompanied by a fitted box and certificate.

C. Three-body, polished and brushed, screwed-down case back and crown, "Triplock" winding crown protectedby the "Crown Guard,? graduated revolving black bezel for the decompression times, sapphire crystal with cyclopslens. D. Black with applied gold luminous round, bâton and triangular indexes, aperture for the date, special"Panama Canal" logo imprint. Luminous gold "skeleton" hands. M. Cal. 3135, rhodium plated, ?oeil-de-perdrix?decoration, 31 jewels, straight line lever escapement, monometallic balance adjusted to temperatures and 5 posi-tions,shock-absorber, self-compensating free-sprung Breguet balance-spring, Microstella regulating screws, hackmechanism.Dial, case and movement signed.Diam. 40 mm. Thickness: 13 mm.

Rolex, Oyster, Superlative Chronometer, Officially Certified, Cosmograph, Ref. 6265 with gold bezel. Made in the 1970s. Fine and rare, water-resistant, 14K yellow gold gentleman's wristwatch with round button chronograph, registers, tachometer and an 18K yellow gold Rolex buckle.

C. Three-body, solid, polished and brushed, screwed-down case back, buttons and crown, tachometer graduationon the gold bezel to 200 units per hour. D. Bi-colored black and champagne with applied gold bâton indexes andtritium coated dots, subsidiary "guilloché" dials for the seconds, the 12-hour and 30-minute registers.Tritium coated gold "bâton" hands. M. Cal. 727, rhodium plated, 17 jewels, straight line lever escapement,monometallic balance adjusted to 3 positions, shock-absorber, self-compensating Breguet balance-spring,Microstella regulating screws.Dial, case and movement signed.Diam. 37 mm. Thickness: 13 mm.

Patek Philippe, Genève, No. 1119183, case No. 328469, Ref. 3448. Made in 1971, sold on July 23, 1971. Very fine and rare, astronomic, self-winding, 18K yellow gold gentleman's wristwatch with perpetual calendar, moon phases and an 18K yellow gold Patek Philippe buckle. Accompanied by an Extract from the Archives.

C. Three-body, solid, polished and brushed, inclined bezel, triangular lugs. D. Matte silver with applied yellow goldfaceted bâton and pyramidal indexes, graduation for the days of the month, apertures for the days of the week,the months and the moon phases. Yellow gold "dauphine" hands. M. Cal. 27-460 Q, stamped with the GenevaQuality Hallmark, rhodium plated, "fausses côtes" decoration, 37 jewels, straight line lever escapement, Gyromaxbalance adjusted to heat, cold, isochronism and 5 positions, shock-absorber, self-compensating free-sprungBreguet balance-spring, 18K yellow gold rotor.Dial, case and movement signed.Diam. 37 mm. Thickness: 12 mm.

"Flamenco Dancer" Ulysse Nardin, Le Locle, Suisse, "San Marco,? No. 1/5, Ref. 139-70-9. Made in a limited edition of 5 exam-ples in the 1990s. Very fine and very rare, self-winding, water-resistant, platinum gentleman's wristwatch with a platinum Ulysse Nardin buckle.

C. Three-body, solid, polished, case back embossed with Lion of San Marco symbol in relief and U. N. signature,sapphire-set winding-crown with the U. N. initials and logo, sapphire crystal. D. In polychrome "cloisonné"enamel depicting a scene of a flamenco dancer and a guitar player, applied white round indexes. Whitegold "feuille" hands. M. Cal. 2892-A2, gilt brass, ?fausses cotes? and "oeil-de-perdrix" decoration, 21 jewels,straight line lever escapement, monometallic balance, shock-absorber, self-compensating flat balance-spring,micrometer regulator.Dial, case and movement signed.Diam. 37 mm. Thickness: 8 mm.

"USS Constitution" Ulysse Nardin, Le Locle, Suisse, "San Marco,? No. 1/5, Ref. 139-70-9. Made in a limited edition of 5 exam-ples in the 1990s. Very fine and very rare, self-winding, water-resistant, platinum gentleman's wristwatch with a platinum Ulysse Nardin buckle.

C. Three-body, solid, polished, case back embossed with Lion of San Marco symbol in relief and signature,sapphire-set winding-crown with the U. N. initials and logo, sapphire crystal. D. In polychrome "cloisonné"enamel representing the ship "USS Constitution,? applied white gold Roman numerals and bâton indexes on aplain reserve. White gold "feuille" hands. M. Cal. 2892-A2, gilt brass, ?fausses côtes? and "oeil-de-perdrix" deco-ration,21 jewels, straight line lever escapement, monometallic balance, shock-absorber, self-compensating flatbalance-spring, micrometer regulator.Dial, case and movement signed.Diam. 37 mm. Thickness: 8 mm.

Paul Picot, "Flyback Firshire.? Made circa 2000. Fine and very rare, self-winding, water-resistant, 18K pink gold gentleman's wristwatch with square button fly-back chronograph, registers, large date and an 18K pink gold Paul Picot buckle. Accompanied by a fitted box and certificate.

C. Two-body, solid, polished, transparent case back with 4 screws, straight lugs, sapphire crystals. D. Black withpainted pink gold Arabic numerals, subsidiary "guilloché" dials for the seconds, the 12-hour and 30-minute regis-ters,aperture for the date at 12. Luminous pink gold "épée" hands. M. Cal. PP 8890, rhodium plated, ?faussescôtes? decoration, 28 jewels, straight line lever escapement, monometallic balance, shock-absorber, self-compen-satingflat balance-spring, micrometer regulator.Dial, case and movement signed.Diam. 39 mm. Thickness: 15 mm.

Zenith, ?ChronoMaster, El Primero,? Chronometer, Ref. 12.1250.4009. Made circa 2000. Fine, large, astronomic, self-winding, water-resistant, 18K pink gold gentleman's wristwatch with square button fly-back chronograph, registers, tachometer, moon phases, triple date and a Zenith 18K pink gold deployant clasp. Accompanied by a fitted box and certificate.

C. Three-body, solid, polished, stepped bezel, transparent case back with 6 screws, fluted lugs,sapphire crystals. D. Matte and guilloché silver with applied pink gold radial Roman numerals,subsidiary dials for the seconds, the 12-hour and 30-minute registers, outer tachometer grad-uations,apertures for the day of the week, of the month, the months and the moon phases.Pink gold "dauphine" hands. M. Cal. 4009, rhodium plated, "oeil-de-perdrix" decoration,31 jewels, straight line lever escapement, monometallic balance, shock-absorber, self-compensatingflat balance-spring, 22K gold rotor.Dial, case and movement signed.Diam. 43 mm. Thickness: 13 mm.

Patek Philippe, Genève, No. 879651, Ref. 5004. Made circa 2000. Extremely fine, rare and important, astronomic, water-resistant to 25 meters, 18K yellow gold gentleman's wristwatch with coaxial round button split-seconds chronograph, registers, perpetual calendar, moon phases and an 18K yellow gold Patek Philippe buckle. Accompanied by a mahogany and leather fitted box, a push-pin to adjust the calendar functions and an Extract from the Archives.

C. Three-body, solid, polished, concave bezel, fluted lugs, coaxial push button in the crown for the split-secondsfunction, transparent case back to view the movement, sapphire crystals. D. Matte silver with applied large yellowgold Arabic numerals, subsidiary dials for the 30-minute register and leap year at 3, the seconds and the 24 hoursat 9, graduation for the days of the month at 6, apertures for the days of the week, the months and the moonphases. "Feuille" yellow gold hands. M. Cal. CHR 2-70/150, stamped with the Geneva Quality Hallmark, rhodiumplated, "fausses côtes" decoration, 28 jewels, straight line lever escapement, Gyromax balance, shock-absorber,self-compensating free-sprung Breguet balance-spring.Dial and movement signed.Diam. 36 mm. Thickness: 15 mm.

Omega, "Speedmaster Professional.? Made in the 1990s to commemorate the Apollo Xl mission to the moon. Very fine and rare, water-resistant, 18K yellow gold gentleman?s wristwatch with round button chronograph, registers, tachometer and an 18K yellow gold Omega link bracelet. Accompanied by a fitted box.

C. Three-body, solid, polished and brushed, screwed-down dedicated case back, tachometer graduation on thebrown bezel to 500 units per hour. D. Champagne with applied yellow gold with black enamel indexes, subsidiarysunk "guilloché" dials for the seconds, the 12-hour and 30-minute registers. Black enameled "bâton" hands.M. Cal. 861, gilt brass, 17 jewels, straight line lever escapement, monometallic balance, shock-absorber, self-compensatingflat balance-spring.Dial, case and movement signed.Diam. 42 mm. Thickness: 14 mm.

Officine Panerai, Firenze 1860, ?Mare Nostrum,? No. 5218-301/A. Made in the 1990s. Fine, large, water-resistant, stainless steel, gentleman?s wristwatch with round button chronograph, register, tachometer and a stainless steel Officine Panerai buckle.

C. Three-body, polished and brushed, tachometer graduation on the bezel, concave lugs,screwed-down case back, sapphire crystal. D. Black with luminous indexes and Arabicnumerals, subsidiary seconds and 30-minutes register dials. Luminous "bâton" hands.M. Cal. 11''', rhodium plated, ?fausses côtes? decoration, 17 jewels, straight line leverescapement, monometallic balance adjusted to 4 positions, shock-absorber, self-compensatingflat balance-spring. Dial, case and movement signed.Diam. 42 mm. Thickness: 12 mm.

Franck Muller, Geneve, "Chronograph, Perpetual Calendar, Equation of Time,? No. 08, Ref. 7000 QP E. Made in the 1990s. Very fine and rare, astronomic, self-winding, water-resistant, 18K yellow gold gentleman's wristwatch with perpetual calendar, moon phases, retrograde monthly equation of time, round button chronograph, register and an 18K yellow gold Franck Muller buckle. Accompanied by a fitted box and certificate.

C. Three-body, solid, polished, straight lugs, domed sapphire crystal. D. Two-tone silver with applied pyramidindexes, outer 1/5th seconds scale, subsidiary dials for the 30-minute register, the 24 hours, the days of the weekand the month, sector for the retrograde indication of the months and equation of time at 6, aperture for themoon phases. Blued steel "Breguet" hands. M. Cal. 7000, rhodium plated, "fausses côtes" decoration, 26 jewels,straight line lever escapement, monometallic balance adjusted to 8 positions, shock-absorber, self-compensatingflat balance-spring, micrometer regulator, platinum rotor. Dial, case and movement signed.Diam. 39 mm. Thickness: 13.5 mm.

Rolex, Oyster Perpetual, Superlative Chronometer, Officially Certified, "Cosmograph Daytona,? Ref. 116519. Made circa 2000. Very fine, self-winding, water-resistant, 18K white gold gentleman's wristwatch with round button chrono-graph, registers, tachometer, 50-hour autonomy and an 18K white gold deployant "Fliplock" clasp. Accompanied by a fitted box.

C. Three-body, polished and brushed, screwed-down case back, buttons and crown, "Triplock" winding-crownprotected by the "Crown Guard,? tachometer graduation on the bezel to 400 units per hour, sapphire crystal.D. Chrysoprase with applied radial white gold Roman numerals and indexes, subsidiary dials for the seconds, the12-hour and 30-minute registers. White gold "bâton" hands. M. Cal. 4130, rhodium plated, ?oeil-de-perdrix? deco-ration,44 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: 12 mm.

Daniel Roth, "Regulateur Tourbillon, Double Face,? No. 156. Made in the 1990s. Very fine and rare, double-ellipse shaped, 18K yellow gold gentleman's wristwatch with visible one-minute tourbillon regulator, 42-hour power reserve, date and an 18K yellow gold Daniel Roth buckle.

C. Two-body, solid, polished, case band with an 18K yellow gold roll torus, rounded bezel, transparent case back,sapphire crystals. D. In the front, gray-colored 18K "guilloché" gold, plain silver ring dial with painted radialRoman numerals for the hours at 12, aperture for the visible tourbillon regulator under a polished steel bridge at6, carrying the 3-arm hand for the three concentric 20-second scales. Blued steel "flèche" hands. In the back, gray-colored18K gold with applied plain silver ring dial for the date and a sector dial for the power reserve indicator.M. Cal. DR 307, full plate with aperture for the tourbillon regulator, hand-engraved, rhodium plated, 19 jewels,lateral lever escapement with one-minute tourbillon regulator with 3-arm polished steel cage, monometallicbalance, self-compensating flat balance-spring.Dial, case and movement signed.Dim. 35 x 38 mm. Thickness: 11 mm.

Patek Philippe, Genève, No. 762624, case No. 691288, Ref. 2526, third generation. Production of this refer-ence started in 1953. Very fine and rare, self-winding, water-resistant, 18K pink gold gentleman's wristwatch with a textured, 18K pink gold Patek Philippe link bracelet.

C. Two-body, solid, polished, screwed-down dedicated case back, rounded bezel, concave lugs.D. Off-white enamel with applied faceted pink gold indexes, subsidiary seconds dial. Pink gold "dauphine" hands.M. Cal. 12'''-600 AT, stamped with the Geneva Quality Hallmark, rhodium plated, "fausses côtes" decoration, 30jewels, straight line lever escapement, Gyromax balance adjusted to heat, cold, isochronism and 5 positions,shock-absorber, self-compensating Breguet balance-spring, micrometer regulator, 18K gold rotor.Dial, case and movement signed.Diam. 35 mm. Thickness: 13 mm.

Patek Philippe, Genève, "Calatrava,? retailed by Freccero, No. 724751, case No. 307056, Ref. 570. Made in 1955, sold on September 29, 1955. Production of this reference started in 1938. Very fine, 18K pink gold gentleman's wristwatch. Accom-panied by a fitted box, certificate and Extract from the Archives.

C. Two-body, solid, polished and brushed, flat bezel, concavelugs. D. Copper-colored with applied pink gold bâton indexes,subsidiary seconds dial. Pink gold "dauphine" hands. M. Cal. 12-400, stamped with the Geneva Quality Hallmark, rhodiumplated, "fausses côtes" decoration, 18 jewels, straight line leverescapement, monometallic balance adjusted to heat, coldisochronism and 5 positions, shock-absorber, self-compensatingBreguet balance-spring, micrometer regulator.Dial, case and movement signed.Diam. 35 mm. Thickness: 9 mm.