A. Lange & Söhne, Glashütte B/Dresden, No. 56921, made for Federico Krussmann, Relogio de Precisäo, circa 1910.Very fine 18K pink gold keyless watch with certificate in original fitted box.

C. Four body, massive, "Lucia", polished, the engine-turned back engraved with a monogram, straight band, flat cover and back engraved with monograms. D. Frosted gold with Roman numerals and subsidiary seconds. Blued steel "spade" hands. M. 18''', frosted and gilt three-quarter plate, quality "1A", 20 jewels in gold screwed settings, Glashütte gold straight line lever escapement, cut steel-nickel-brass balance with diamond end-stone, Breguet balance spring.Signed on the dial, case and movement.Diam. 54 mm.

A. Lange & Söhne, Glashütte B/Dresden, No. 60448, circa 1915.Very fine 18K pink gold hunting cased keyless watch.

C. Four body, massive, "Lucia", polished. Hinged gold cuvette. D. White enamel with Arabic numerals sunk centre and subsidiary seconds. Gold "Louis XV" hands. M. 18''', frosted and gilt three quarter plate, quality "1A", 20 jewels in gold screwed settings, Glashütte gold straight line lever escapement, cut steel-nickel-brass balance with diamond end-stone, Breguet balance spring.Signed on the dial, case and movement.Diam. 54 mm.

Breguet, No. 3937, Ref. 3737, circa 1992.Extremely fine and rare, astronomic, minute repeating, 18K yellow gold gentleman's wristwatch with perpetual calendar, phases and age of the moon, with leather strap and 18K gold buckle.

C. three body, massive, polished, transparent back, reeded band, straight lugs. D. "guilloché" silvered gold with painted radial Roman numerals on a plain reserve, auxiliary dials for the days of the month, of the week, the months and the leap year, sector for the age of the moon, aperture for the moon phases. "Breguet" blued steel hands. M. 12''', rhodium plated, "fausses côtes" decoration, 30 jewels, lever escapement, monometallic balance, 5 adjustments, shock-absorber, self-compensating Bregut balance-spring.Dial, case and movement signed.Diam. 37 mm.

Breitling, Genève, Orbiter 3, "Crosswind", prototype No. 0/50, made in 1999.Very fine, self-winding, water-resistant, stainless steel and yellow gold gentleman's wristwatch with round button chronograph, registers, tachometer and telemeter, 42 hours autonomy and date; with leather strap and stainless steel Breitling deployant clasp. Accompanied by Bakelite fitted box and documentation.

C. three body, bicolour, polished, screwed case back with dedication, yellow gold graduated revolving bezel, anti-reflex sapphire crystal. D. black with applied gold tritium-coated Roman numerals, auxiliary dials for the seconds, the 12 hours and30 minutes registers, on the 3 the Breitling Orbiter 3 logo in polychrome enamel, aperture for the date. "Bâton" tritium-coated gold hands. M. Cal. 13, mechanical with automatic winding, 25 jewels.Dial, case and movement signed.Diam. 44 mm.

Girard-Perregaux, Chaux-de-Fonds, No. 38165,made before 1860.Very fine and rare 18K gold, hunting cased, pocket chronometer, with one minute tourbillon regulator.

C. Four body, massive "bassine et filets", engine-turned with ribbed band, the cover centred with a small monogram. Hinged gold cuvette with engine-turned border. D. White enamel with Roman numerals, outer Arabic minute ring and sunk subsidiary seconds. Blued steel "spade" hands.M. 20''', nickel plated, Girard-Perregaux calibre with three parallel bridges, gold wheel train, 15 jewels, pivoted detent escapement with steel escape wheel, cut bimetallic balance, blued steel balance spring with terminal curve. Guinand type 2, polished steel tourbillon carriage with gold index scale.Signed on the dial cuvette and movement.Diam. 53 mm.

Girard-Perregaux, Chaux-de-Fonds, No. 31928,made before 1860.Fine 18K gold hunting cased, quarter repeating watch with dead independent seconds.

C. Four body, massive, "bassine et filets", engine-turned, with ribbed band. Hinged gold cuvette with engine-turned border. D. White enamel with Roman numerals and outer Arabic minute and seconds ring. Blued steel Breguet hands. M. 19''', gilt brass double train with going barrels wound separately, 31 jewels, straight line lever escapement, cut bimetallic balance, Breguet balance spring. Independent seconds train with flirt on the escape wheel pinion and bolt in the band. Repeating on gongs withslide in the band.Signed on the dial and cuvette.Diam. 50 mm.

Girard-Perregaux, Chaux-de-Fonds, No. 47157,circa 1867.Fine 18K gold hunting cased, watch.

C. Four body, massive, "bassine et filets", with ribbed band fully engraved with floral and formal decoration. Hinged gold cuvette with engine-turned border, decorated with medals awarded at the 1867 Universal Exhibition. D. Silver engine-turned with Roman numerals, outer minute ring and sunk subsidiary seconds, decorated with gold cast foliage "grippé" decoration. Blued steel "tulip" hands.M. 17''', nickel plated, 15 jewels, swan neck Swiss lateral lever escapement, cut bimetallic balance, blued steel flat balance spring.Signed on the dial, cuvette and movement.Diam. 46 mm.

Girard-Perregaux, Chaux-de-Fonds, No. 49042,made in 1869.Very fine silver pocket chronometer, in original ebonised fitted box.

C. Four body, massive, "bassine et filets, carrure rondes" with engine-turned flat back and ribbed band. Hinged silver cuvette with engine-turned border. D. White enamel with Roman numerals, outer Arabic minute ring and sunk subsidiary seconds. Gold paste-set hands. M. 19''', nickel plated, Hoff calibre with fusee and chain, maintaining power, gold wheel train, 15 jewels, pivoted detent escapement with steel escape wheel, two-arm compensation balance with gold poising weights and timing screws,ree sprung blued steel spherical balance spring, diamond end-stone.Signed on the dial cuvette and movement.Diam. 55 mm.

Girard-Perregaux, Chaux-de-Fonds, No. 52471,made in 1881.Fine 18K gold hunting cased, keyless pocket chronometer.

C. Four body, massive, "bassine et filets", engine-turned with ribbed band, the cover with a blank escutcheon. Hinged gold cuvette with engine-turned border. D. White enamel with Roman numerals, outer Arabic minute ring and sunk subsidiary seconds. Blued steel "tulip" hands. M. 18''', nickel plated,15 jewels, mainly in gold screwed settings, gold wheel train, pivoted detent escapement, cut bimetallic balance, blued steel balance spring with terminal curves.Signed on the dial, cuvette and movement.Diam. 52 mm.

Girard-Perregaux, Chaux-de-Fonds, No. 63997,circa 1880.Very fine and rare 18K gold hunting cased, double face, moon phase, astronomical, keyless watch with triple calendar, Patented by Courvoisier Jonais on June 27, 1871, No. 122.

C. Five body, massive, "bassine et filets carrure ronde", polished, the cover engraved with the monogram"R. S.". D. White enamel on the front with Roman numerals, outer minute ring and sunk subsidiary seconds. Gold paste-set hands. White enamel on the rear face, the dates on the border with moon phase aperture and subsidiary dials for the months and the days of the week. M. 18''' nickel plated, 17 jewels, gold wheel train, counterpoised straight line lever escapement, cut bimetallic balance, Breguet balance spring. Hinged nickel plated calendar work driven by the movement.Signed on the dial, case, movement and calendar work.Courvoisier Jonais coat-of-arms punched on the movement.Diam. 56 mm.

Girard-Perregaux, Chaux-de-Fonds, No. 74690,circa 1875.Very fine and rare 18K pink gold hunting cased, keyless pocket chronometer.

C. Four body, massive, "pommes et filets carrure ronde", polished with ribbed band. Hinged gold cuvette. D. Silver with Roman numerals, outer minute ring and sunk subsidiary seconds, fully decorated with engraved and gold cast foliage "grippé" decoration. Blued steel "tulip" hands. M. 20''', nickel plated,15 jewels, mainly in gold screwed settings, gold wheeltrain, pivoted detent escapement, two-armcompensation balance with gold weights and timing screws, free sprung blued steel helical balance spring with terminal curves.Signed on the dial, case and movement.Diam. 58 mm.

Girard-Perregaux, Chaux-de-Fonds, No. 80545,made in 1875.Very fine and rare 18K pink gold hunting cased, keyless pocket chronometer, awarded a Bulletin de Première Classe at the Observatory of Neuchâtel.

C. Four body, massive, "bassine et filets carrure ronde", engine-turned, the cover with a blank escutcheon. Hinged gold cuvette with engine-turned border. D. White enamel with Roman numerals, outer Arabic minute ring and sunk subsidiary seconds. Blued steel "tulip" hands. M. Glazed 20''', nickelplated, 15 jewels, mainly in gold screwed settings, goldwheel train, pivoted detent escapement, cut bimetallic balance, free sprung blued steel spherical balance spring.Signed on the dial, cuvette and movement.Diam. 59 mm.

Girard-Perregaux, Chaux-de-Fonds, No. 80648,made in 1876.Very fine and rare 18K gold, hunting cased, keyless pocket chronometer, with one minute tourbillon regulator, awarded a Bulletin de Première Classe at the Observatory of Neuchâtel.

C. Four body, massive "bassine et filets", engine-turned with ribbed band, the cover centred with a monogram. Hinged gold cuvette with engine-turned border. D. Silver with Roman numerals, outer minute ring and sunk subsidiary seconds, fully decorated with engraved and gold cast foliage "grippé" decoration. Blued steel "tulip" hands. M. 19''', nickel plated, gold wheel train, 15 jewels, pivoted detent escapement, cut bimetallic balance, blued steel balance spring with terminal curve. Guinand typel, polished steel tourbillon carriage with gold index scale.Signed on the dial cuvette and movement.Diam. 56 mm.

Girard-Perregaux, Chaux-de-Fonds, No. 85484,made in 1877.Very fine and rare 18K pink gold cabriolet hunting cased, keyless minute repeating watch.

C. Four body, massive, "pommes et filets carrure ronde", the engine-turned back engraved with a monogram, the pivoting central body enables one to use the watch as an open face or as a hunter. Hinged engine-turned cuvette which becomes the back when the watch is used as a hunter. Hinged gold cuvette.D. White enamel with Roman numerals, outer Arabic minute ring and sunk subsidiary seconds. Gold "Louis XV" hands. M. 20''', nickel plated with gold wheel train, 31 jewels, partly in screwed settings, straight line lever escapement, cut bimetallic balance, Breguet balance spring. Repeating on gongs with slide in the band.Signed on the dial and case.Diam. 58 mm

Girard-Perregaux, Chaux-de-Fonds, No. 323445, made in 1900.Very fine and rare 18K gold hunting cased, keyless Grande Sonnerie, minute repeating clock-watch, in original mahogany fitted box, accompanied with original certificate of guaranty.

C. Four body, massive, "bassine", frosted, the cover decorated with an eagle perched on a pick, with a diamond-set sun on the background. Hinged gold cuvette engraved with technical details. D. White enamel with Arabic numerals and sunk subsidiary seconds. Blued steel "spade" hands. M. 20''', nickel plated, double train with differential winding,29 jewels, straight line lever escapement, cut bimetallic balance, Breguet balance spring. Striking and repeating hours quarters and minutes on two gongs, with push piece in the band, Strike/Silent lever on the bezel's border.Signed on the dial, case and movement.Diam. 57 mm.

Paul Garnier, No. 5767, circa 1860.Very fine silver hunting cased keyless decimal Tachometer No. 41, Système E. Marié, with decimal minute recorter.

C. Four body, massive, "forme quatre baguettes", polished. A printed tachometer table calculated for one kilometre, stuck inside the cover. Hinged silver cuvette. D. White enamel with radial Arabic numerals and 10 x 10 divisions. Blued steel hands. M. 22''', gilt brass, three-quarter plate with going barrel, cylinder escapement, plain brass three-arm balance, flat balance spring with regulator. Tachometer bolt and reset slide in the band.Diam. 58 mm.

A. Boucher, Le Havre, France, Breveté S.G.D.G,circa 1880.Fine and unusual chromium plated Cercle à Calcul, accompanied by the original illustrated instruction manual.

C. Three piece, "bassine et filets", glazed both sides. D. Silvered revolving adjustable on the front, fixed silvered on the rear face.Signed on the dial.Diam. 52 mm.

Phonotélémètre Thouvenin, Breveté S.G.D.G.,No. 2042, circa 1900.Unusual chromium plated keyless watch with chronograph, 15 seconds chronograph, sound telemeter, 15 minute progressive recorder, special kilometric map distance gauge and compass, recommended by the War Minister, officially adopted by the French Military Schools.

C. Three piece, "bassine et filets", a small compass set in the winding crown and small knurled wheel on the band for the distance gauge. D. White enamel on the front with Roman numerals, outer gauge scale calibrated for 20 km and inner for 15 km. White enamel on the rear face for the 15 seconds chronograph, inner red 5 kilometre telemeter ring and subsidiary minute register. M. 19''', gilt brass, three-quarter plate, 15 jewels, straight line lever escapement, cut bimetallic balance, Breguet balnce spring.Signed on the dial.Diam. 53 mm.

Hass Neveux & Cie., Fabricants, Compteur Lafond, Swiss Patent No. 19395, circa 1900.Fine and unusual gun metal Calculator.

C. Two piece, gun metal, "demi-bassine", polished.D. Chromium with four sunk silvered revolving counters each with an aperure.Signed on the dial.Accompanied by copy of the Swiss patent.Diam. 47 mm.

Movado, Ref. 4147, retailed by J. E. Caldwell & Co., 1930's.Extremely fine and rare, "tortue", 14K yellow gold gentleman's wristwatch with single button chronograph on the crown, register and pulsometer.

C. massive, polished. D. matte silver with painted Breguet numerals, auxiliary seconds and 30 minutes register dials, outer pulsometer graduation for30 pulsations. "Breguet" blued steel hands. M. 13''', rhodium plated, 17 jewels, lever escapement, cut bimetallic balance, Breguet balance-spring, the coaxial single button on the winding-crown is for start-stop and return to zero functions of the chronograph.Dial, case and movement signed.Dim. 33 x 39 mm.