Black Starr & Frost, New York, Swiss, made for the American Market, circa 1900.Fine 18K gold and enamel, diamond-set, keyless fob watch.

C. Four-body, "bassine et filets", fully decorated in pink flinqué enamel, the back painted with two cherubs within a rose-cut diamond frame. Hinged gold cuvette. D. Pink flinqué enamel with Arabic numerals. Gold "Louis XV" hands. M. 10''', nickel plated, "fausses côtes" decoration, 17 jewels, straight line lever escapement, cut bimetallic balance, Superior adjustment, Breguet balance spring with swan neck micrometric index.Signed on the movement.Diam. 28 mm.

Swiss, circa 1890.Very fine 18K pink gold and onyx, diamond-set, keyless fob watch with matching chatelaine.

C. Three body, "Louis XVI" with polished bezels, the back onyx plaque centres with a rose-cut inlaid rosette. Hinged gold cuvette engraved with a monogram. Matching gold and onyx, diamond-set chatelaine, decorated en suite, the top plaque with a rose-cut diamond-set monogram. D. White enamel with Roman numerals and outer Arabic minute ring. Gold "Louis XV" hands. M. 13''', gilt brass, 13 jewels, cylinder escapement, plain brass three-arm balance, flat balance spring.Diam. 32 mmDim. overall: 150 x 45 mm.

Golay Fils & Stahl, Genève, 2 rue de la Paix à Paris, No. 38391, produced in Geneva, circa 1900.Fine 18K pink gold, rose-cut diamond and ruby set keyless buttonhole watch.

C. Two-piece, massive, "carrure droite", with raised dial, the bezel chased with rose-cut diamonds and rubies. D. White enamel with radial Arabic numerals. Gold "spade" hands. M. 9''', gilt brass, 8 jewels, cylinder escapement, plain brass three-arm balance, flat balance spring.Signed on the case.Diam. 24 mm.

Vulcain, Cricket, U.S. Patent, 1950's.Fine and unusual, center second, 18K yellow gold gentleman's wristwatch with alarm.

C. three body, massive, polished, the button near the winding-crown is for stopping the alarm when striking. D. satiné silver with applied gold indexes. "Dauphine" radium-coated gold hands. M. 12''', rhodium plated, 17 jewels, lever escapement, monometallic balance, two spring-barrels for watchwork and alarm, self-compensating flat balance-spring.Dial, case and movement signed.Diam. 33 mm.

Dubey & Schaldenbrand, Index Mobile, 1960's.Fine and unusual, yellow gold plated and stainless steel, gentleman's wristwatch with round button split-second chronograph, register, tachometer and telemeter.

C. three body, polished, bicolour, overhanging teardrop lugs. D. two-tone silver with painted gold Arabic numerals, auxiliary seconds and 30 minutes register dials, outer tachometer and telemeter graduations, at the centre, visible hairspring. "Flèche" yellow gold hands. M. 13''', rhodium plated, 17 jewels, lever escapement, monometallic balance, shock-absorber, self-compensating flat balance-spring.Signed on the dial.Diam. 37 mm.

International Watch Co., Schaffhausen, "Automatic", 1950's.Fine, centre second, self-winding, "carré galbé", 18K yellow gold gentleman's wristwatch.

C. two body, massive, polished, stepped bezel, straight lugs, "bombé" crystal. D. matte silver with applied gold indexes. "Dauphine" yellow gold hands. M. 13''', rhodium plated, "fausses côtes" and "?il-de-perdrix" decoration, 21 jewels, lever escapement, monometallic balance, shock-absorber, self-compensating Breguet balance-spring.Dial, case and movement signed.Dim. 33 x 33 mm.

Gübelin, Swiss, 1940's.Fine and rare, centre second, self-winding, "carré galbé", 18K yellow gold gentleman's wristwatch with date.

C. two body, massive, polished, stepped bezel and teadrop lugs, dust protecting cap. D. matte silver with applied yellow gold bâton and square indexes, aperture for the date on the 6. "Dauphine" yellow gold hands. M. 11 3/4''', rhodium plated, "fausses côtes" decoration, 25 jewels, lever escapement, monometallic balance, 2 adjustments, shock-absorber, self-compensating flat balance-spring.Dial, case and movement signed.Dim. 31 x 46 mm.

Record Watch Co., Genève, Datofix, 1960's.Very fine, astronomic, stainless steel and gold plated gentleman's wristwatch with triple date and moon phases.

C. three body, bicolour, polished. D. matte silver with applied gold indexes and Arabic numerals, auxiliary seconds dial, outer graduation for the days of the month, apertures for the days of the week, the months and the moon phases. "Feuille" pink gold hands.M. 10''', rhodium plated, 17 jewels, lever escapement, monometallic balance, self-compensating flat balance-spring.Dial, case and movement signed.Diam. 33 mm.

Audemars Frères & Cie., Swiss, circa 1910.Very fine 18K pink gold, diamond-set, hunting cased, keyless minute repeating automaton watch.

C. Four body, massive "bassine", polished, the cover applied with a rose-cut diamond-set monogram. Hinged gold cuvette. D. Small opalescent flinqué enamel with Roman numerals and subsidiary seconds, flanked by a gold enamel painted Father of Time Jack on the left, two cherubs on the right, applied over the blued steel dial plate and striking hours, quarters and minutes on two bells. Blued steel "spade" hands.M. Glazed 20''' gilt brass, 31 jewels, counterpoised straight line lever escapement, cut bimetallic balance, Breguet balance spring. Repeating on gongs with slide in the band.Signed on the cuvette.Diam. 56 mm.

Dubois à Genève, circa 1890.Fine 18K pink gold keyless moon phase astronomical watch with chronograph and triple digital calendar, in original black leather fitted box.

C. Four body, massive, "pomme et gouge", polished, the back with the champlevé enamelled monogram"J. B." Hinged gold cuvette. D. White enamel with Roman numerals, outer Arabic minute and chronograph rings, sunk subsidiary seconds with inner moon phase aperture, subsidiary single aperture for the digital day, date and month volvelles. Gilt brass "Louis XV" hands. M. 19''', nickel plated, "fausses côtes" decoration, 23 jewels, counterpoised straight line lever escapement, cut bimetallic balance, Breguet balance spring. Chronograph with visible work, button on the winding crown.Signed on the cuvette.Diam. 53 mm.

Eugène Lecoultre, Swiss, No. 15833, circa 1920.Very fine 18K pink gold hunting cased, keyless minute repeating automaton watch.

C. Four body, massive "demi-bassine", polished. Hinged gold cuvette. D. Small red flinqué enamel with gilt Arabic numerals and subsidiary seconds, flanked by a gold Father of Time Jack on the left, two cherubs on the right, applied over the blued steel dial plate and striking hours, quarters and minutes on two bells. Gold "Louis XV" hands. M. 20''' gilt brass,29 jewels, straight line lever escapement, cut bimetallic balance, Breguet balance spring with swan neck micrometric index. Repeating on gongs with slide in the band and fly regulator.`Signed on the cuvette.Diam. 56 mm.

Eberhard & Co., La Chaux-de-Fonds, 1930's.Fine and large, 18K yellow gold gentleman's wristwatch with olive shaped button chronograph, register, tachometer and telemeter.

C. three body, massive, polished, hinged case back and stepped bezel, concave lugs. D. matte silver with painted indexes, auxiliary seconds and 30 minutes register dials, outer telemeter and tachometer graduation. "Moderne" blued steel hands. M. 16''', rhodium plated, 17 jewels, lever escapement, monometallic balance, self-compensating Breguet balance-spring.Dial, case and movement signed.Diam. 39 mm.

Eberhard & Co., La Chaux-de-Fonds, 1940's.Fine and large, stainless steel and gold plated gentleman's wristwatch with square button chronograph, registers and tachometer.

C. three body, bicolour, polished, steel case back, gold plated band and stepped bezel, concave lugs.D. matte silver with painted indexes and Arabic numerals, auxiliary dials for the seconds, the 12 hours and the 30 minutes registers, outer tachometer graduation. "Moderne" blued steel hands. M. 16''', rhodium plated, 17 jewels, lever escapement, monometallic balance, self-compensating Breguet balance-spring.Dial, case and movement signed.Diam. 39 mm.

Eberhard & Co., La Chaux-de-Fonds, 1930's.Fine and large, 18K yellow gold gentleman's wristwatch with olive shaped button chronograph, register, tachometer and telemeter.

C. three body, massive, polished, hinged case back and stepped bezel, concave lugs. D. champagne with painted indexes, auxiliary seconds and 30 minutes register dials, outer telemeter graduation, at the centre, spiral tachometric scale. "Moderne" blued steel hands. M. 16''', rhodium plated, 17 jewels, lever escapement, monometallic balance, self-compensating Breguet balance-spring.Dial, case and movement signed.Diam. 39 mm.

Eberhard & Co., La Chaux-de-Fonds, Extra-Fort, 1940's.Very fine and rare, large, 18K yellow gold gentleman's wristwatch with square button split-second chronograph, registers and tachometer.

C. three body, massive, polished and brushed, lapidated lugs. D. matte silver with applied gold indexes and Arabic numerals, auxiliary dials for the seconds, the 12 hours and the 30 minutes registers, outer tachometer graduation. "Dauphine" yellow gold hands. M. 16''', rhodium plated, 17 jewels, lever escapement, monometallic balance, self-compensating Breguet balance-spring. the coaxial single button on the winding-crown is for stop and reunite of the split-second hand.Dial, case and movement signed.Diam. 39 mm.

Frazer & Haws, 31, Regent Street, London,No. 12272, with London hallmarks for 1889,made for the Indian Market.Very fine and rare 18K gold and enamel, hunting cased, diamond-set, keyless minute repeating watch.

C. Four body, massive, "bassine et filets", by Richard Macair Ball (Master mark), the band, bezels, pendant and bow with engraved decoration, turquoise enamelled front and back panels, the cover centered with rose-cut diamond inlaid star with the motto: Heaven's light our guide, within a diamond inlaid sunburst frame, the back decorated en suite with star and fancy ornaments. D. Gold with Roman numerals and sunk subsidiary seconds, fully engraved in a vermicelli pattern, the border with cast golfloral decoration. Blued steel "fleurs-de-lys" hands. Hinged gold cuvette fully engraved with decoration in an Oriental pattern and with black champlevé enamelled ornaments. M. 17''', frosted and gilt, three-quarter plate, English lateral lever escapement with pointed tooth escape wheel, cut bimetallic balance with diamond end-stone, blued-steel balance spring with terminal curve. Minute repeating on gongs with slide in the band.Signed on the back plate.Diam. 51 mm.

Favre Leuba & Co., Bombay, No. 27783, Swiss,made for the Indian Market, circa 1880.Very fine and rare 18K gold and enamel, half skeletonised hunting cased, keyless minute repeating watch with dead independent seconds.

C. Four body, massive, "bassine et filets", engine-turned with reeded band, the back enamelled with the painted portrait of the first owner. Hinged gold cuvette with engine-turned border. D. Crystal with gilt Roman numerals and subsidiary seconds. Blued steel "fleurs-de-lys" hands. M. Glazed, 19''', nickel plated with "fausses côtes" decoration, double train with differential winding, 44 jewels, counterpoised straight line lever escapement, cut bimetallic balance, Breguet balance spring. Repeatig on gongs with slide in the band. Independent seconds train with flirt on the escape wheel pinion and bolt in the band.Signed on dial and cuvette.Diam. 54 mm.

International Watch Co., Swiss, No. 37729, circa 1910.Very fine 18K gold hunting cased, keyless minute repeating watch with chronograph.

C. Four body, massive, "bassine", frosted, the cover decorated with a scene depicting Henry IV entering in Paris. Hinged gold cuvette decorated with medals awarded at the 1906 Exhibition in Milan. D. White enamel with Breguet numerals, outer Arabic minute and chronograph rings and sunk subsidiary seconds. Gilt brass "Louis XV" hands. M. glazed, 20''', rhodium plated, "fausses côtes" decoration, gold wheel train,29 jewels, straight line lever escapement, cut bimetallic balance, Breguet balance spring. Repeating on gongs with slide in the band. Chronograph with visible work and push piece in the band.Signed on the dial, case and movement.Diam. 59 mm.

G. Billian Fils, Zürich, Swiss, circa 1890.Very fine 18K gold, moon phase, astronomical, keyless minute repeating watch with chronograph and perpetual calendar, in original leather fitted box.

C. Four body, massive, "bassine", polished, the back engraved with the Arms of Argentina. Hinged gold cuvette. D. White enamel with Arabic numerals outer Arabic minutes and chronograph ring, sunk subsidiary dials for the days of the week, the months of the leap-year cycle, the dates and the subsidiary seconds with inner moon phase aperture. Gold "spade" hands. M. 20''', nickel plated, "fausses côtes" decoration, 31 jewels, counterpoised straight line lever escapement, cut bimetallic balance, Breuet balance spring. Repeating on gongs with slide in the band. Chronograph with visible work and button in the band.Signed on the cuvette.Diam. 56 mm.

Longines, Swiss, made for G. Welsch y Cia., Lima (Peru), circa 1900.Fine and extremely rare 18K gold, hunting cased, keyless minute repeating watch with Carillon Westminster chime.

C. Four body, massive, "demi-bassine", fully chased with foliage decoration, the cover centered with a blank escutcheon, the back with the head of a lion. Hinged gold cuvette, decorated with medals awarded in different exhibitions. D. White enamel with Arabic numerals and sunk subsidiary seconds. Blued steel "spade" hands. M. 19''', frosted and gilt, 29 jewels, straight line lever escapement, cut bimetallic balance, Breguet balance spring. Repeating on four gongs with four hammers with slide onhe band.Signed on the dial, case and movement.Diam. 55 mm.