International Watch Co., Schaffhausen, "Grande Complication", No. 18/ 50, Ref. 3770.Produced in a limited edition of 50 examples in 1993.Very fine and extremely rare, oversized, astronomic, minute-repeating, self-winding, platinum gentleman?swristwatch, square button chronograph, registers, secular perpetual calendar, moon phases and a platinum IWC buckle.

C. three-body, solid, polished, case back with screws, pyramidal bezel, curved straight lugs, screwed-down crown, sapphire crystal.D. white with applied yellow gold indexes, subsidiary dials for the seconds, the 12-hour and 30-minute registers, the days of the month,the week and the months, apertures for the 4-digit year and the phases of the moon. Yellow gold ?bâton? hands. M. Cal 79091,rhodium-plated, "fausses côtes" decoration, 68 jewels, straight line lever escapement, monometallic balance, shock-absorber, self-compensatingflat balance spring, repeating on gongs by activating slide on the band.Dial, case and movement signed.Diam. 42 mm.InternationalWatch Co.,

Audemars Piguet, Genève, ?Royal Oak City of Sails", Automatic Chronograph, caseNo. B 89679, Ref. 25979. Produced in a limited edition of 1250 examples for the 30th Anniversary of theRoyal Oak in 2003 and dedicated to the "Alinghi" team, winner of the America?s Cup 2003.Very fine and rare, large, self-winding, water-resistant, stainless steel gentleman?s wristwatch with round button chrono-graph,registers, date and a stainless steel Audemars Piguet deployant clasp on a rubber strap. Accompanied by a fitted boxand certificate.

C. three-body, polished and brushed, case back with screws, octogonal bezel with 8 hexagonal screws,screwed-down hexagonal winding-crown and buttons, case back engraved with 2 racing boats, sapphirecrystal. D. bicolor gray and black, "Clous-de-Paris" decoration with luminous radial Arabic numer-als,subsidiary dials for the seconds, the 12-hour (with red Alinghi logo) and 30-minute regis-ters,aperture for the date. Luminous "bâton" hands. M. Cal. 2385, rhodium-plated, "oeil-de-perdrix"decoration, 37 jewels, straight line lever escapement, monometallic balanceadjusted to heat, cold, isochronism and 5 positions, shock-absorber, self-compensat-ingflat balance-spring, 21K gold rotor segment.Dial, case and movement signed.Diam. 40 mm.

Audemars Piguet, Genève, ?Royal Oak City of Sails", Automatic Chronograph, Ref. 25979. Produced in alimited edition of 200 examples for the 30th Anniversary of the Royal Oak in 2003 and dedicated to the"Alinghi" team, winner of the America?s Cup 2003.Very fine and rare, large, self-winding, water-resistant, 18K pink gold gentleman?s wristwatch with roundbutton chronograph, registers, date and an 18K pink gold Audemars Piguet deployant clasp on a rubber strap. Accompa-niedby a fitted box and certificate.

C. three-body, solid, polished and brushed, case back with screws, octogonal bezel with 8 hexagonal goldscrews, screwed-down hexagonal winding-crown and buttons, case back engraved with 2 racing boats,sapphire crystal. D. bicolor silver and gray, "Clous-de-Paris" decoration with luminous radial Arabicnumerals, subsidiary dials for the seconds, the 12-hour (with red Alinghi logo) and 30-minuteregisters, aperture for the date. Luminous pink gold "bâton" hands. M. Cal. 2385, rhodium-plated,"oeil-de-perdrix" decoration, 37 jewels, straight line lever escapement,monometallic balance adjusted to heat, cold, isochronism and 5 positions, shock-absorber,self-compensating flat balance-spring, 21K gold rotor segment.Dial, case and movement signed.Diam. 40 mm.

Gérald Genta, "Rétro Classic", Ref. G 3614. Pro-ducedin the 1990s.Fine, jump-hour, self-winding, water-resistant, stain-lesssteel and diamonds gentleman?s wristwatchwith retrograde minutes, 40 hours autonomy and a stainless steelGérald Genta buckle.

C. three-body, polished, case back with 6 screws, reeded band, bezel setwith round diamonds, straight lugs, screwed bars, domed sapphire crystal.D. "guilloché" mother-of-pearl with Arabic numerals on a plain mother-of-pearlsector for the retrograde minutes, aperture for the jump-hour at 6.Blued steel "epée" hands. M. Cal. 4503, rhodium-plated, 27 jewels, straightline lever escapement, monometallic balance, self-compensating flat bal-ance-spring.Dial, case and movement signed.Diam. 34 mm.

Audemars Piguet, Genève, "Royal Oak",No. 019. Produced in the 1990s.Very fine, octagonal, 18K white gold, diamond andsapphire lady's quartz gentleman?s wristwatch withdate and an 18K white gold Audemars Piguet deployant clasp.

C. three-body, solid, polished and brushed, sapphire-set octagonal bezelwith 8 yellow gold hexagonal nuts embanked in 8 yellow gold screws on thecase back, hooded lugs pave-set with diamonds, sapphire crystal, cabo-chonsapphire-set winding-crown. D. pavé-set with diamonds, 2 baguetteand 8 round sapphire-set indexes, aperture for the date. White gold "bâton"hands. M. with quartz standardization.Dial, case and movement signed.Diam. 28 mm.

Gérald Genta, Genève, No. 1, Ref. G. 4103 K. Produced in the 1990s.990s.Exceptional, large, octagonal, minute-repeating, self-winding, water-resistant, platinum,diamond and sapphire gentleman?s wristwatch with a strap decorated with 6 hexagonal platinum bars, 2set with diamonds and 4 with sapphires, and a Gerald Genta platinum deployant clasp.

C. two-body, solid, polished and sand finished, stepped bezel set with baguette sapphires, transparent case back with 8nuts, central hexagonal lugs set with baguette diamonds, sapphire crystals. D. pavé-set with baguette diamonds andsapphires, luminous dots. Luminous white gold "bâton" hands. M. Cal. 375, hand-engraved, rhodium-plated,27 jewels, straight line lever escapement, monometallic balance, shock-absorber, self-compensating flatbalance-spring, skeletonized and GG-stylized hand-engraved rotor, repeating on gongs by depressingthe crown at 9.Case and movement signed.Diam. 34 mm.

Jaeger-LeCoultre, "Reverso Chronographe Rétrograde", Ref. 295.1.59. Produced circa 2000.Fine, rectangular, double-face, 18K yellow gold reversible gentleman?s wristwatch with date, square button chronograph,register and an 18K yellow gold Jaeger-LeCoultre deployant clasp. Accompanied by a fitted box and certificate.

C. five-body, solid, polished, reeded top and bottom bezel, serrated lugs, sapphire crystal. D. front: "chess-pattern" engraved silverwith painted Arabic numerals on a plain reserve, aperture for the date, chronograph start/stop display at 5. Luminous blued steel"lozenge" hands. Back: matte silver repeating the front decoration, black ring dials with Arabic numerals for the seconds and retro-grade30-minute register. Blued steel red arrow hand for the seconds indicator. M. Cal. 859, rhodium-plated, "fausses-côtes" decora-tion,38 jewels, straight line lever escapement, monometallic balance, shock-absorber, self-compensating flat balance-spring.Dial, case and movement signed.Dim. 28 x 43 mm.

Jaeger-LeCoultre, Reverso ?Septantième? No. 110/500, Ref. 3002420. Produced in a limited edition of 500 examples in 2001to celebrate the 70th anniversary of the "Reverso" model.Very fine and rare, rectangular, 8-day going, 18K pink gold reversible gentleman?s wristwatch with oversized date, day/nightand power reserve indications and an 18K pink gold Jaeger-LeCoultre deployant clasp. Accompanied by a fitted box and acertificate.

C. five-body, solid, polished, reeded bezel, inner transparent case back, outer case back engraved with edition number, sapphire crys-tals.D. "guilloché" silver with painted Arabic numerals on an outer plain reserve, date at 7, sector for the up-and-down indication at11, aperture for the day / night indication at 1, subsidiary seconds dial. Blued steel "épée" hands. M. Cal. 879 in 18K pink gold, twinbarrels, "fausses côtes" decoration, 25 jewels, straight line lever escapement, monometallic balance, shock-absorber, self-compen-satingflat balance-spring, micrometer regulator.Dial, case and movement signed.Dim. 29 x 47 mm.

Breguet, Ref. 3137. Produced in the 1990s.Very fine, astronomic, self-winding, 18Kyellow gold gentleman's wristwatch with50-hour power reserve, date, moon phases, age of the moonand an 18K yellow gold Breguet buckle.

C. three-body, solid, polished, reeded band, straight lugs with screwedgold bars, sapphire crystal, transparent case back.D. guilloché silver with painted radial Roman numerals on a plain reserve,auxiliary dial for the days of the month on the VI, graduation for the up-and-downindication on the XI, graduation for the age of the moon on the I, aper-turefor the moon phases. Blued steel "Breguet" hands. M. Cal. 502, gilt,engraved decoration, 37 jewels, straight line lever escapement, mono-metallicbalance adjusted to 5 positions, shock-absorber, self-compensatingflat balance spring, off-center gold rotor.Dial, case and movement signed.Diam. 36 mm.

A.Lange & Söhne, Glashütte i. SA., "Datograph", No. 18911, case No. 128902, Ref. 403.035. Production ofthis reference started in 2000.Very fine, platinum gentleman?s wristwatch with square button fly-back chronograph, register, tachome-ter,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 datecorrection, sapphire crystals. D. black, made from solid silver, applied white gold Roman numerals, bâton indexes and luminous dots,subsidiary guilloché silver dials for the 60 second and 30 minute register, outer tachometer graduation,below 12 aperture for the oversized date. Luminous white gold "alpha" hands. M. Cal. L 951.1,Glashütte three-quarter plate, nickel silver, ?fausses côtes? decoration, 40 jewels including 4 inscrew-mounted gold châtons, straight line lever escapement, monometallic balanceadjusted 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.

Roger Dubuis, Horloger Genevois,"Hommage", movement no. 37, case No. 195738, No.08/28. Produced in July, 1997.Very fine and rare, center-seconds, self-winding,water-resistant, palladium chronometer gentleman?s wristwatch withpalladium Roger Dubuis buckle. Accompanied by a fitted box, certifi-cate,Bulletin de l?Observatoire de Besancon and an extra solid palla-diumscrewed-down back.

C. three-body, solid, polished and brushed, screwed down transparent caseback, sapphire crystals. D. white enamel with applied white gold Breguetnumerals, outer minute/second track with Arabic markers. White gold"dauphine" hands. M. Cal. 57 stamped with the Geneva Quality Hallmark,rhodium-plated, "fausses côtes" decoration, 25 jewels, straight line leverescapement, monometallic balance adjusted to 5 positions, shock-absorber,self-compensating flat balance spring, "Swan-neck" micrometer regulator.Dial, case and movement signed.Diam. 37 mm.

Ulysse Nardin,Le Locle & Genève, "Perpetual CalendarLudwig" No. 033/150.Produced in a limitededition of 150 examplesin 1996 to commemo-ratethe 150th anniversary of the UlysseNardin company.Very fine, self-winding, water-resistant, 18Kyellow gold gentleman?s wristwatch with perpet-ualcalendar and an 18K yellow gold UlysseNardin buckle.

C. three-body, solid, polished, transparent case back, blueenamel logo on the winding-crown, rounded bezel, fluted straightlugs, sapphire crystal. D. "guilloché" silver with applied yellow goldindexes, apertures for the following indications: the date at 1 with doubledisk, the month between the 3 and 4, the year in two digits at 6, the days ofthe month and the auxiliary seconds at 9. Blued steel "feuille" hands. M. Cal.33 with a patented revolutionary calendar mechanism, rhodium-plated,"fausses côtes" decoration, 34 jewels, straight line lever escapement,monometallic balance, shock-absorber, self-compensating flat balancespring. All functions are set via the crown.Dial, case and movement signed.Diam. 38 mm.

Patek Philippe & Cie, Genève, No. 1957134, Ref.5050. Production of this reference started in 1995and ended in 2001.Very fine, astronomic, center-seconds, self-winding,18K yellow gold gentleman?s wristwatch with perpetual calendar, retro-gradedate indication, leap year, moon phases and an 18K yellow goldPatek Philippe buckle.

C. three-body, solid, polished, concave bezel, fluted lugs, screwed-downtransparent case back, sapphire crystals.D. matte silver with applied yellow gold ?Bâton? indexes, apertures for thedays of the week, the months, the moon phases and the leap year, sectorbelow 12 for the retrograde date indication. Yellow gold ?feuille? hands. M.Cal. 315/136 stamped with the Geneva Quality Hallmark, rhodium-plated,"fausses côtes" decoration, 31 jewels, straight line lever escapement, Gyro-maxbalance adjusted to heat, cold, isochronism and 5 positions, shockabsorber, self-compensating free-sprung flat balance spring.Dial, case and movement signed.Diam. 36 mm.Patek Philippe & Cie,

Patek Philippe & Cie,Genève, No. 3208363,Ref. 5110G-001. Produc-tionof this referencestarted in 2000.Very fine, "World Time", self-winding, water-resistant,18K white gold gentleman?s wrist-watchwith an 18K yellow gold Patek Philippedeployant clasp. Accompanied by a woodenfitted box and a certificate.

C. two-body, solid, polished, screwed-down transparentcase back, protected crown, pusher on the band linked to thetrain to activate the settable discs with the different time zones, the24 hours and jump-type time setting, concave lugs, sapphire crystals. D."guilloché" silver with applied white gold indexes, surrounded by a black andmatte silver revolving disc in 24 hours for the diurnal and nocturnal hours,outer revolving ring dial bearing the names of 24 global locations. White gold"lozenge" hands. M. Cal. 240/188, stamped with the Geneva Quality Hall-mark,rhodium-plated, "fausses côtes" decoration, 33 jewels, straight linelever escapement, Gyromax balance, shock-absorber, self-compensatingfree-sprung flat balance spring, 22K gold micro-rotor.Dial, case and movement signed.Diam. 37 mm.

Franck Muller, "Cintrée Curvex, Master Imperial Tourbillon" No. 64, Ref. 7851 T. Produced in 2001.Very fine and very rare, tonneau-shaped, 18K white gold gentleman?s wristwatch with visible one-minute flying tourbillon reg-ulator,48-hour power reserve and an 18K white gold Franck Muller buckle. Accompanied by a fitted box and certificate.

C. two-body, solid, polished, transparent case back with screws, sapphire crystals. D. "guilloché" silver with painted and oversizedradial Breguet numerals, at 6 aperture for the flying tourbillion cage with its FM-shaped and hand-engraved arms. Blued steel lumi-nous"lozenge" hands. M. Cal. FM 2001-2, hand-engraved, 21 jewels, lateral lever escapement, monometallic balance adjusted to allpositions, shock-absorber, self-compensating flat balance-spring, micrometer regulator.Dial, case and movement signed. Movement also engraved ?First quality?.Dim. 35 X 42 mm.

Breguet, ?Tourbillon?, Brevet du 7 Messidor, An 9, No. 592, case No. 1804, Ref. 3350.Produced in the 1990s.Very fine and rare, 18K yellow gold gentleman?s wristwatch with visible one-minutetourbillon regulator and an 18K yellow gold Breguet buckle. Accompanied by a fitted box and certificate.

C. three-body, solid, polished, transparent case back with signature on the edge, reeded band, rounded bezel, straight lugs, goldscrewed bars, sapphire crystals. D. "guilloché" silver with painted radial Roman numerals on a plain eccentric ring dial at 12, sector at6 graduated in 20 over the visible tourbillon cage under a polished 2-arm steel bridge, subsidiary 3-arm seconds hand on the tourbil-lonshaft, secret Breguet signature. M. Cal. 558, gilt brass, hand-engraved, 21 jewels, lateral lever escapement with one-minute tour-billonregulator with polished steel arms, monometallic balance adjusted to 6 positions, self-compensating Breguet balance spring.Dial, case and movement signed.Diam. 36 mm.

Breguet 1747 - 1997, "Tourbillon Chronographe", No. 2579, Ref. 3567. Produced in very few examples in1997 to commemorate the 250th anniversary of Abraham Louis Breguet?s birth.Very fine and important, 18K yellow gold gentleman?s wristwatch with visible one-minute tourbillonregulator, round button chronograph, registers and an 18K yellow gold Breguet buckle. Accompanied by a fitted box.

C. two-body, solid, polished, transparent case back with engraved edge, reeded band, rounded bezel, straight lugs, gold screwed bars,sapphire crystals D. "guilloché" silver with painted radial Roman numerals on an outer plain reserve, subsidiary dials for the 30-minuteand 12-hour registers, aperture for the tourbillon cage at 12 under a polished 2-arm steel bridge, subsidiary seconds hand on the tour-billonshaft, secret Breguet signature. Blued steel "Breguet" hands. M. No. 1756, Cal. 554, rhodium-plated, "fausses côtes" decora-tion,25 jewels, lateral lever escapement with one-minute tourbillon regulator with 3 equidistant polished steel arms, monometallic bal-anceadjusted to 6 positions, self-compensating Breguet balance spring.Dial, case and movement signed, movement also engraved: ?Brevet Du 7 Messidor An 9?.Diam. 38 mm.For a note, see previous lot.

Breguet, "Tourbillon Squelette Perpetuel", No. 4972, Ref. 3755. Produced in the 1990s.Very fine and rare, large, skeletonized, 18K yellow gold gentleman?s wristwatch withvisible one-minute tourbillon regulator, retrograde perpetual calendar and an 18K yellow gold Breguetbuckle.

C. two-body, solid, polished, reeded band, straight lugs, gold screwed bars, transparent case back, sapphire crystals. D. skeletonizedwith off-center silver ring dial with painted radial Roman numerals for the hours, minutes and the retrograde date at 12, silver ring dialsfor the months at 3 and the days of the week at 9, leap year indication at 3, seconds graduated in 30 seconds at 6, aperture for thetourbillon cage with hand-engraved steel bridge and double seconds hand at 6. Blued steel ?Breguet" and "serpentine" hands. M. Cal.13''', gilt brass, skeletonized and hand-engraved, 21 jewels, lateral lever escapement with one-minute tourbillon regulator with polishedsteel arms, monometallic balance, self-compensating Breguet balance-spring.Dial and case signed.Diam. 40 mm.

"Breguet à Versailles", Grand Complication "Tourbillon 1801-2001", No. 10/28, Ref. 1801BR. Produceducedexpressly in a limited edition of 28 examples in 2001 to commemorate the 200th Anniversary of theinvention of the tourbillon by Abraham-Louis Breguet.Extremely fine, rare and important, large, half-hunter case-type, water-resistant, 18K pink gold gentleman?s wristwatch withvisible one-minute tourbillon regulator and an 18K pink gold Breguet deployant clasp.

C. four-body, solid, polished and brushed, hinged hand-"guilloché" cover with porthole and engraved "Tourbillon" plaque, opened by aco-axial push-button in the winding crown, transparent case back to view the movement, reeded band, straight lugs with gold-screwedbars, sapphire crystals. D. white enamel, off-center dial with painted radial Breguet numerals and marked "1801-2001", secret"Breguet" signature, at 6 o'clock,the visible tourbillon cage under a polished steel bridge, carrying the blued steel seconds hand.M. Cal. 557 entirely hand-engraved and signed "Tourbillon Breguet Nr. 1884. Brevet du 7 Messidor ans 9", 21 jewels, lateral leverescapement with one-minute tourbillon regulator with 3 equidistant polished steel arms, monometallic balance adjusted to 6 positions,shock-absorber, self-compensating Breguet balance-spring.Dial, case and movement signed.Diam. 42 mm.

Vacheron Constantin, Genève, No. 877948, case No. 660667, Ref. 30020. Produced in the late 1990s.Extremely fine, rare and important, astronomic, minute-repeating, 18K yellow gold gentleman?s wrist-watchwith perpetual calendar, moon phases and an 18K yellow gold VacheronConstantin buckle. Accompanied by a fitted box and certificate.

C. three-body, solid, polished, transparent case back, stepped bezel, teardrop lugs, domed sapphire crystal.D. two-tone satiné silver with applied gold bâton indexes, sunk guilloché subsidiary dials for the days of the month, of the week, themonths, the leap year, sector for the age of the moon, aperture for the moon phases. Yellow gold "bâton" hands. M. Cal. 1755,rhodium-plated, "fausses côtes" decoration, 30 jewels, straight line lever escapement, monometallic balance adjusted to temper-aturesand 5 positions, shock-absorber, self-compensating flat balance-spring, micrometer regulator. Repeating on gongs byactivating slide onthe band.Dial, case and movement signed.Diam 37 mm.