International Watch Co., Schaffhausen, "Da Vinci". Produced in the 1990's.Very fine and rare, astronomic, self-winding, water-resistant down to 30 meters, stainless steel gentleman's wristwatch with round button chronograph, registers, perpetual calendar and moon phases, with stainless steel IWC deployant clasp. Accompanied by a fitted box and certificate.

C. two-body, solid, polished, stepped bezel, hooded mobile lugs, sapphire crystal. D. black with applied stainless steel and tritium-coated indexes, auxiliary dials for the seconds, the 12 hours and 30 minutes registers, the days of the month, of the week, aperture for the moon phases and for the year display with four digits until 2499. "Bâton" tritium-coated stainless steel hands. M. Cal. 79261 gilt brass, 39 jewels, straight line lever escapement, monometallic balance shock-absorber, self-comensating flat balance-spring.Dial, case and movement signed.Diam. 39 mm.

Franck Muller Genève, "Automatic", Ref. 7000 CC. Produced in the 1990's.Fine, self-winding, water-resistant, stainless steel gentleman's wristwatch with round button chronograph and register and a stainless steel Franck Muller buckle.

C. three-body, solid, polished, rounded bezel and lugs, gold screwed bars, sapphire crystal. D. red "sunrays" with dot indexes and painted Arabic numerals for chronograph outer graduation, auxiliary dials for the seconds, the 12 hours and 30 minutes registers, black outer ring 1/5th second graduation. "Feuille" steel hands. M. Cal. 7000 rhodium-plated, "fausses-côtes" decoration, 30 jewels, lever escapement, monometallic balance, 8 adjustments, shock-absorber, self-compensating flat balance-sprig, platinum rotor.Dial, case and movement signed.Diam. 36 mm.

Franck Muller "Endurance". Produced in a limited edition of 70 examples in 1997.Very fine and rare, water-resistant, stainless steel gentleman's wristwatch with round button chronograph, registers, tachometer and 50 hours autonomy , with a stainless steel Franck Muller bracelet "à grosse mailles".

C. two-body, polished and brushed, screwed- down case back, engraved on the case back "Franck Muller" with the words "Endurance Sport Edition", sapphire crystal. D. navy blue with white tritium-coated Arabic numerals, auxiliary dials for the seconds, the 12 hour and 30 minute register, black outer ring 1/5th second graduation. "Lozenge" tritium-coated hands. M. Cal. 1870 rhodium-plated, "fausses-côtes" decoration, 18 jewels, lever escapement, monometallic balance adjusted to temperatures, shock-bsorber, self-compensating flat balance-spring.Dial, case and movement signed.Diam. 37 mm.

Franck Muller "Endurance 24". Produced in a limited edition of 250 examples in 1997.Fine, water-resistant, stainless steel gentleman's wristwatch with round button chronograph, registers, tachometer and 50 hours autonomy , with a stainless steel Franck Muller buckle.

C. three-body, polished and brushed, screwed-down case back and chronograph buttons, pink gold medaillon on the case back with the logo " F.M." initials and the word "Endurance 24", tachometer graduation on the bezel to 1000 units/h., sapphire crystal. D. yellow with white tritium-coated Arabic numerals in 24 hours, auxiliary dials for the seconds, the 12 hour and 30 minute register, black outer ring 1/5th second graduation. "Lozenge" tritium-coated hands. M. Cal. 1870 rhodium-plated, "fausses-ctes" decoration, 18 jewels, lever escapement, monometallic balance adjusted to temperatures, shock-absorber, self-compensating flat balance-spring.Dial, case and movement signed.Diam. 37 mm.

Franck Muller Genève, "Automatic", Ref. 7000 CC. Produced in the 1990's.Fine, self-winding, water-resistant, stainless steel gentleman's wristwatch with round button chronograph and register and a stainless steel Franck Muller buckle.

C. three-body, solid, polished, rounded bezel and lugs, gold screwed bars, sapphire crystal. D. matte silver with dot indexes and painted Arabic numerals on the sceonds, the 12 hours and 30 minutes registers, outer ring 1/5th second graduation and tachometer scale. "Feuille" blued steel hands. M. Cal. 7000 rhodium-plated, "fausses-côtes" decoration, 30 jewels, lever escapement, monometallic balance, 8 adjustments, shock-absorber, self-compensating flat balance-spring, platinum rotor.Dial, case and movement signed.Diam. 36 mm.

International Watch Co., Schaffhausen, "Portuguese Split-Seconds Chronograph", Ref. 3712. Produced in the 1990's .Very fine and rare, water-resistant, oversized, stainless steel gentleman's wristwatch with round button split-seconds chronograph and register and a stainless steel IWC buckle. Accompanied by a fitted box and certificate.

C. three-body, polished and brushed, concave bezel. D. matte silver with applied yellow gold Arabic numerals, auxiliary seconds and 30 minutes register dials on the 6 and 12 hours. "Feuille" yellow gold hands. M. Cal. C76240 gilt brass, "fausses-côtes" decoration, 27 jewels, straight line lever escapement, monometallic balance, 5 adjustments, shock-absorber, self-compensating flat balance-spring.Dial, case and movement signed.Diam. 42 mm.

International Watch Co., Schaffhausen, "Portuguese Split-Seconds Chronograph", Ref. 3712. Produced in a limited edition of 250 examples in the 1990's .Very fine and rare, water-resistant, oversized, platinum gentleman's wristwatch with round button split-seconds chronograph and register and a platinum IWC buckle. Accompanied by a fitted box and certificate.

C. three-body, polished and brushed, concave bezel. D. matte silver with applied white gold Arabic numerals, auxiliary seconds and 30 minutes register dials on the 6 and 12 hours. "Feuille" white gold hands. M. Cal. C76240 gilt brass, "fausses-côtes" decoration, 27 jewels, straight line lever escapement, monometallic balance, 5 adjustments, shock-absorber, self-compensating flat balance-spring.Dial, case and movement signed.Diam. 42 mm.

Lange & Söhne, "Cabaret", Ref. 157.127. Produced in the 1990's.Very fine and elegant, rectangular, 18K white gold gentleman's wristwatch with 18K white gold A. Lange & Söhne buckle. Accompanied by a fitted box.

C. two-body, solid, polished and brushed, transparent case back with screws, lapidated lugs, sapphire crystal. D. blue with applied white gold lozenge indexes and radial Roman numerals, auxiliary seconds dial, aperture for the two-digit date window. "Alpha" white gold hands. M. Cal. 931.3 rhodium-plated, "fausses-côtes" decoration, 30 jewels, straight line lever escapement, monometallic balance, 5 adjustments, shock-absorber, self-compensating flat balance-spring, micrometer regulator.Dial, case and movement signed.Dim. 27 x 43 mm.

Lange & Söhne, "Cabaret", Ref. 107.031. Produced in the 1990's.Very fine and elegant, rectangular, 18K pink gold gentleman's wristwatch with 18K pink gold A. Lange & Söhne buckle. Accompanied by a fitted box.

C. two-body, solid, polished and brushed, transparent case back with screws, lapidated lugs, sapphire crystal. D. white with applied pink gold lozenge indexes and radial Roman numerals, auxiliary seconds dial, aperture for the two-digit date window. "Alpha" white gold hands. M. Cal. 931.3 rhodium-plated, "fausses-côtes" decoration, 30 jewels, straight line lever escapement, monometallic balance, 5 adjustments, shock-absorber, self-compensating flat balance-spring, micrometer regulator.Dial, case and movement signed.Dim. 27 x 43 mm.

Jorg Hyseck, Swiss. Produced in the 1990's.Fine and unusual, center-seconds, self-winding, rectangular curved, 18K pink gold gentleman's wristwatch with an 18K pink gold deployant clasp.

C. two-body, solid, polished and brushed, case back with screws, bezel and lugs set with diamonds. D. "bombé" crystal, champagne with applied pink gold Arabic numerals and indexes. "Bâton" pink gold hands. M. Cal. ETA 2671 rhodium-plated, fausses-côtes decoration, 25 jewels, straight line lever escapement, monometallic balance self-compensating flat balance-spring.Dial, case and movement signed.Dim. 28 x 47 mm.

Unsigned, Swiss, No. 1082, circa 1880.Magnificent and extremely rare, 18K gold and enamel, diamond-set, keyless, hunting-cased pocket watch, made for the Islamic market.

C. four-body, massive, the front cover centered by a gold diamond-set crown, twelve openings for the hour numerals, entirely set with graduated rose-cut diamonds forming fleur-de-lis with black champlevé enamel edges, the back cover centered by a large diamond, the entire cover set with smaller diamonds in a pattern matching the front, the scalloped band chiseled and engraved with fleur-de-lis, the winding button in the form of a crown set with diamonds, diamond-set bow, gold hinged cuvette. D.lack enamel, gold Turkish numerals with gold outer minute divisions. Gold "spade" hands. M. 36 mm ø (16'''), nickel, "fausses côtes" decoration, 15 jewels, gold wheel train, straight line counterpoised lever escapement, uncut bimetallic balance, blued steel flat balance-spring.Diam. 46 mm

Bucherer, "Archimedes", No. 21/97. Produced in a limited edition of 97 examples in 1997.Fine and rare, jump hour, tonneau-shaped, 18K white and yellow gold gentleman's wristwatch with an 18K white gold Bucherer deployant clasp and pink gold buckle.

C. two-body, bicolored, solid, polished and brushed, white gold engraved case back with screws, pink gold band, fluted bezel and lugs, sapphire crystal. D. two-tone silver with eccentric auxiliary dial on the 12 for the minutes, on the 6 for the seconds, aperture for the jump-hours on the 12. "Moderne" blued steel hands. M. mechanical with manual winding.Dial and case signed.Dim. 32 x 42 mm.

Gérald Genta, Genève, No. 2. Produced inthe 1990's.Fine, minute repeating, astronomic, self-winding, water-resistant, 18K yellow gold gentleman's wristwatch with perpetual calendar and moon phases with a Gérald Genta 18K yellow gold "à grosses mailles" braceletand clasp.

C. two-body, transparent screwed-down case back, stepped "Clous-de-Paris" decorated, pusher on the band. D. fiber glass, chess pattern decoration, with tritium-coated round indexes, auxiliary mother-of-pearl ring dials for the days of the month, of the week, the months, aperture for the gold moon phases on a lapis-lazuli background, and the leap year. "Bâton" tritium-coated yellow gold hands hands. M. Cal. 11''', engraved gilt brass, stright line lever escapement, monometallic balance shock-absober, self-compensating flat balance-spring and engraved gold skeletonized gold rotor bearing the initials "GG".Dial, case and movement signed.Dim. 35 mm. Approx. overall length 175 mm.

Gérald Genta, Genève, "Tourbillon", Ref. 4064.7. Produced inthe 1990's.Very fine, self-winding, water-resistant,18K yellow gold gentleman's wristwatch with one minute tourbillon regulator. Accompanied by an 18K yellow gold Gérald Genta buckle, a box and a certificate.

C. two-body, solid, polished, transparent back with screws, rounded bezel, straight lugs. D. mother-of-pearl with checkerboard pattern applied gold bâton indexes and one tritium-coated gold dot at 12, auxiliary seconds dial with red hands, aperture for showing the tourbillon cage. "Bâton" tritium-coated gold hands. M. Cal. 145, engraved gilt brass, 23 jewels, straight line lever escapement, monometallic balance, tourbillon regulator, self-compensating flat balance-spring, skeletonized engraved rtor.Dial, case and movement signed.Diam. 36 mm.

Gold RoskopfRoskopf Patent, Swiss, circa 1890.Fine and very unusual, 18K gold, keyless, hunting-cased pocket watch with a special escapement, made for the Indian market.

C. four-body, "bassine et filets", the front cover with an applied gold horseman jumping a fence, surrounded by floral and foliate engraving, the back cover with an engraved horse's head against a foliate and floral background, fully engraved gold hinged cuvette. D. white enamel, Roman numerals, outer minute ring with red five-minute Arabic markers. Gold "Louis XV" hands. M. 42 mm ø (18 1/2'''), nickeled, damascened in a rosette pattern, 12 jewels, lateral pin-pallet lever escapement, cut bimetalic compensation balance, blued steel Breguet balance-spring, pin-set.Dial, case and movement signed.Diam. 52 mm.

Orient StarConstantaras Frères, Joailler en Chef de Sa Majesté le Sultan, No. 96241, Swiss, circa 1910.Very fine, 18K gold and enamel, set with diamonds and a large ruby, keyless, hunting-cased pocket watch, made for the Islamic market.

C. four-body, "demi-bassine", the front cover with a large ruby set in the center of a gold star with diamond-set arms on a translucent light blue enamel ground over engine-turning, surrounded by an Islamic pattern in white champlevé enamel, translucent scarlet border, the back cover with a green enamel Islamic pattern against light blue translucent enamel over engine-turning with an Islamic patterned border in white enamel, translucent scarlet edge over engine-turning, gold hinged cuvette. D. wite enamel, Turkish numerals, outer minute ring. Blued steel "spade" hands. M. 39 mm ø (17 1/4'''), nickeled, 16 jewels, straight line lever escapement, cut bimetallic compensation balance, white metal Breguet balance-spring.Signed on the cuvette.Diam. 51 mm.

The Tiger HuntWest End Watch Co. Geneva, Bombay & Calcutta, Swiss, circa 1910.Very fine and rare, 18K gold, enamel, diamond-, emerald- and ruby-set, keyless, hunting-cased, double train, minute-repeating Grande Sonnerie carillon clockwatch, made for the Indian market.

C. four-body, "bassine et filets", the back cover centered by a very finely painted medallion with two tigers and hunters mounted on elephants, the border set with diamonds in a geometrical pattern, cabochon emeralds, and rubies, on a translucent scarlet enamel ground over elaborate engine-turning, the front cover centered by a large oval diamond surrounded by a garland of smaller ones, cabochon rubies and emeralds on a translucent dark blue enamel ground over engine-turning, the border with traslucent scarlet enamel over elaborate engine-turning, the band with a geometrical pattern in blue enamel, gold hinged cuvette. D. silver, blue Roman hour chapter on a gilt background, matching outer minute ring, engine-turned center, subsidiary seconds. "Spade" hands. M. 42 mm (18 1/2'''), rhodium-plated, "fausses côtes" decoration, 22 jewels, straight line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance-spring, tandem winding, repeating on three gongs with thre hammers by a push button on the band at 3 o'clock.Signed on the dial.Diam. 50 mm.

Franck Muller, Genève, "Cintrée Curvex", Ref. 5850 WW. Produced in the 1990's.Very fine, tonneau shaped, center-seconds, self-winding, water-resistant, 18K yellow gold gentleman's wristwatch with 45 hours autonomy and an 18K yellow gold Franck Muller buckle. Accompanied by a fitted box and certificate.

C. two-body, solid, polished, back with screws. D. translucent blue enameled on "guilloché" and "à rayons de soleil" with painted pink gold Arabic numerals, concentric, "guilloché" silver ring dial with red enameled radial Arabic numeral for second time-zone in 24 hours, at the center, a polychrome enameled map of North and South America. "Spade" yellow gold and "Serpentine" stainless steel hands. M. Cal. 2800 rhodium-plated, "fausses-côtes" decoration, 21 jewels, lever escapement, monometallicalance, shock-absorber, self-compensating flat balance-spring, platinum rotor.Dial, case and movement signed.Dim. 32 x 45 mm.

Franck Muller Genève, "Cintrée Curvex Master Calendar", No. 108, Ref. 6850 CC MC. Produced in the 1990's.Very fine, tonneau shaped, 18K pink gold gentleman's wristwatch with olive shaped button chronograph, triple date calendar and a 18K pink gold Franck Muller bracelet "à grosses mailles". Accompanied by a fitted box and certificate.

C. two-body, polished, back with screws. D. "guilloché" blue with painted Arabic numerals, auxiliary seconds and 30 minutes register dials, the 24 hours dial, outer graduation for the days of the month apertures for the days of the week and the months. "Feuille" pink gold hands. M. Cal. 187 rhodium-plated, "fausses-côtes" decoration, 26 jewels, straight line lever escapement, monometallic balance, adjusted to temperatures, shock-absorber, self-compensating flat balance-spring.Dial, case and movement signed.Dim. 34 x 47 mm.Approx. overall length 215 mm.

Franck Muller Genève, "Cintrée Curvex Quantième Perpétuel Biretro", No. 10, Ref. 6850 CC QPB. Produced in the 1990's.Very fine and important, tonneau shaped, self-winding, 18K white gold gentleman's wristwatch with 48 hours autonomy and olive shaped button chronograph, perpetual calendar, moon phases and an 18K white gold Franck Muller buckle. Accompanied by a fitted box and certificate.

C. two-body, polished, back with screws. D. "guilloché" silver with painted Arabic numerals, auxiliary dials for the 30 minutes and 12 hours registers and the months, sectors for the retrograde days of the months and of the week, aperture for the leap year. "Lozenge" tritium-coated hands. M. Cal. 5888 BR rhodium-plated, "fausses-côtes" decoration, 45 jewels, straight line lever escapement, monometallic balance, adjusted to temperatures, shock-absorber, self-compensating flat balance-spring.Dial, case and movement signed.Dim. 34 x 47 mm.