Astronomical Watch with Westminster Chimes Attributed to Edouard JeanRichard, Le Locle, No. 36891, circa 1925. Very fine and very rare 18K gold hunting-cased keyless astronomical minute-repeating carillon watch with Westminster chimes on four gongs, perpetual calendar, phases and age of the moon, chronograph and 30-minute instantaneous register.

C. Four-body, "bassine et filets", engine-turned, gold hinged cuvette. D. White enamel, Breguet numerals, outer minute/seconds divisions with five-minute/seconds Arabic markers, four subsidiary sunk dials for days of the week, date, months of the four-year leap cycle concentric with minute register, and subsidiary seconds concentric with phases of the moon aperture. Blued steel Breguet hands. M. 45 mm (20'''), gilt brass, 37 jewels, straight line calibrated lever escapement, cut bimetallic compensation balance with blued steel Breguet balance spring, repeating on four gongs with four hammers through activating slide in the band.Case punched with Swiss gold guarantee marks (Le Locle), movement punched with serial number 3687.Diam. 55 mm.

Vacheron & Constantin, Genève, No. 387203, case No. 242055, made in 1919. Very fine and elegant, 18K gold, keyless, minute- repeating "chronomètre" dress watch. Accompanied by the Extract from the Archives.

C. Four-body, "bassine pincée", engine-turned back, hinged gold cuvette. D. White enamel, Breguet numerals, outer minute ring, sunk subsidiary seconds. Blued steel "Breguet" hands.M. 41 mm (18''), rhodium-plated, 32 jewels, straight line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, swan-neck micrometer regulator, repeating on gongs through activating slide in the band.Dial, case and movement signed.Diam. 50 mm.

Vacheron & Constantin, Genève, No. 455014, case No. 286441, made for the British Hydrographic Service, in 1945. Very fine and rare silver, keyless large center seconds deck and pocket chronometer. Accompanied by the Extract from the Archives.

C. Four-body, "bassine", polished, silver, hinged cuvette. D. Silver, champlevé Arabic numerals, outer minute divisions, outermost seconds track divided into fifths. Blued steel "spade" hands. M. 47.4 mm (21'''), gilt brass, "fausses côtes" decoration, 21 jewels, straight line lever escapement, anibal-brass Guillaume balance with special alloy Breguet balance spring, "swan-neck" micrometric regulator.Signed on dial, case and movement, back of the case engraved H.S.-2 55014.Diam. 60 mm.

Maurice, Geneva, No. 4106, circa 1880. Fine and unusual, 18K gold, hunting-cased key-wound, two-train watch with independent center- seconds.

C. Four-body, massive, "bassine et filets", engine-turned,vacant cartouche. Hinged gold cuvette. D. White enamel with radial Roman numerals, outer Arabic minute and independent seconds rings. Gold "spade" hands. M. 42 mm (18.5'''), nickel, "fausses côtes" decoration, straight-line calibrated lever escapement, 26 jewels, cut bimetallic compensation balance, blued-steel Breguet balance spring, independent dead seconds by means of two-flirt wheel acting on a small pinion mounted on the escape wheel arbor, independent seconds activated by a slide in the band.Cuvette signed.Diam. 48 mm.

Ulysse Nardin, Locle No. 128510, case No. 728734, made in two examples in 1963. Very fine and rare 18K gold, keyless, thin, astronomical minute-repeating dress watch with chronograph, perpetual calendar, phases of the moon and 30-minute recorder.

C. Four-body, "bassine", polished, hinged gold cuvette. D. Painted white, Breguet numerals, outer minutes and seconds rings, four subsidiary dials for days of the week, months with four year leap cycle, concentric with 30-minute recorder, date, aperture for phases of the moon concentric with subsidiary seconds. Blued steel "feuille" hands. M. 43 mm (19''') 30/12ème thick, nickel, 34 jewels, straight line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, repeating on gongs by a slide in the band.Dial, case and movement signed.Diam. 53 mm.

Swiss, No. 17302 circa 1900. Fine 18K yellow gold hunting-cased keyless minute-repeating watch.

C. Four-body, "bassine et filets", polished with engraved bezels, hinged gold cuvette, transparent cover to view the movement. D. White enamel with radial Roman numerals, inner red Arabic 13-24, outer minute ring with 5-minute Arabic markers, sunk subsidiary seconds. Gold "Louis XV" hands. M. 40 mm (18'''), nickel, damascened, 30 jewels, straight line lever escapement, cut bimetallic compensation balance, Breguet balance spring, repeating on gongs by activating slide on the band.Diam. 54 mm.

H. R. Ekegrén, Geneva, No. 18188, made for J. E. Caldwell & Co. Philadelphia, circa 1890. Very fine half hunting-cased 18K gold keyless watch, accompanied by original fitted box.

C. Five-body, "bassine", polished, front with glazed aperture and enameled radial Roman chapters, hinged gold cuvette with engine-turned border. D. White enamel with radial Roman numerals, outer minute ring and sunk subsidiary seconds. Blued steel "double spade" hands. M. 41 mm (19.5'''), nickel-plated, "fausses côtes" decoration, 20 jewels, calibrated straight line lever escapement, cut bimetallic compensation balance with Breguet balance spring.Dial, case and movement signed.Diam. 48 mm.

Winnerl, Paris, No. 261, circa 1830. Very fine gilt brass deck watch in original mahogany fitted box.

C. Tambour, gilt and lacquer brass, bayonette fixing. D. White enamel, radial Roman numerals, outer minute divisions, subsidiary seconds at 12. Blued steel Breguet hands. M. 51 mm (23 1/2'''), gilt brass, full plate, going barrel, Earnshaw type spring detent escapement, Earnshaw type bimetallic compensation balance with round platinum sliding temperature weights,platinum mean time screws, gold temperature screws withsteel bracket for restricting the movement of the balance laminae, free-sprung blued steel helical balance spring,diamond endstone.Signed on dial and movement, numbered on dial, movement and box.Diam. 67 mm (bezel), box 110 x 86 x 42 mm.

A. Lange & Söhne, Glashütte/Sa., No. 200659, circa 1939. Very fine silver keyless deck watch with 35-hour power reserve sector and Guillaume-type balance.

C. Four-body, "Lucia", polished, back with military inventory marks, silver cuvette. D. Silvered, with Arabic numerals, outer minute track, sunk subsidiary seconds at 3 o'clock, power reserve sector at 9 o'clock. Blued steel "spade" hands.M. 48 mm. (21'''), Cal. 48, frosted gilt, three-quarter plate with separate bridge for the escape wheel, 19 jewels, straight-line club-tooth lever escapement, large Guillaume-type balance modified by Lange, Breguet balance spring with Phillips outer terminal curve, "swan-neck" micrometric regulator, patented balance spring studfastener, patented power reserve indication mechanism.Signed on dial and movement, case signed "GUB Glashütte".Diam. 58 mm.

Attributed to LeCoultre, No. 27, circa 1925. Very fine 14K gold hunting-cased, keyless minute-repeating watch with chronograph and 30-minute instantaneous register.

C. Five-body, "bassine", polished, enamel monogram "MB". Hinged gold cuvette. D. White enamel, Breguet numerals, outer minute divisions with Arabic five minutes/seconds, outermost seconds divided into fifths, minute register at 3 o'clock, sunk subsidiary seconds. Blued steel "spade" hands. M. 44 mm (21''), nickel, 32 jewels, straight line calibrated lever escapement, cut bimetallic compensation balance with Breguet balance spring,repeating on gongs through activating slide in the band, silent governor.Diam. 54 mm.

Pochelon Freres, Genève, No. 14775, circa 1920. Very fine 18K gold, keyless minute-repeating dress watch.

C. Four-body, "bassine", polished, hinged gold back. D. White enamel, Breguet numerals, outer minute track, outermost red Arabic 13-24 hours, sunk subsidiary seconds. Blued steel "Breguet" hands. M. 44 mm. (21'''), rhodium-plated, Geneva Quality Hallmark , 31 jewels, calibrated straight line lever escapement, cut bimetallic compensation balance with Breguet balance spring, swan-neck micrometer regulator, wolf tooth winding, repeating on gongs through activating slide in the band.Dial, case and movement signed.Diam. 50 mm.

Mobilis, by Courvoisier Frères, La Chaux-de-Fonds, No. 102761, Brevet No. 30754, circa 1906. Unusual nickel keyless watch with one-minute tourbillon regulator.

C. Three-body, demi-bassine, polished. D. Eccentric, matte gilt with Arabic numerals, engine-turned and silvered reserve, the revolving tourbillon carriage visible in an aperture. M. 42.8 mm (19'''), gilt brass inverted caliber, one-minute tourbillon carriage, straight line lever escapement, bimetallic balance with flatbalance spring.Signed on the back plate.Diam. 53 mm.

"Bras en l'air". Verger, France, No. 11538, movement by Haas Neveux, Geneva, made for Charlton & Co., New York, circa 1930. Very fine and extremely rare 18K two-colored gold, Art Deco keyless "bras-en-l'air" dress watch.

C. Three piece, "Empire", white gold, coin-edge band, polished and matte, yellow gold rims and bow. D. Silver matte, with an applied figure of a seated Chinese Mandarin pointing to the hours and minutes with his arms when a pushpiece in the band is depressed. M. By Haas Neveux, 38.3 mm (17'''), rhodium-plated, "fausses côtes" decoration, Geneva Hallmark quality, 18 jewels, eight adjustments, straight line lever escapement, cut bimetallic compensation balance with Breguet balance spring.Signed on the movement, Verger master mark on the case.Diam. 45 mm.

Beyer, Zurich, circa 1930. Fine and unusual stainless steel "Staybrite", astronomical keyless Art Deco dress watch with phases and age of the moon.

C. Three-piece, "variée carrure plate", polished. D. Silvered, Breguet numerals, moon phase aperture, subsidiary seconds. Blued steel "Breguet" hands. M. 36 mm (18''') rhodium-plated, 18 jewels, straight line lever escapement, cut bimetallic balance, Breguet balance spring.Dial signed.Diam. 43 mm.

Rossel & fils, successeurs de J.-F. Bautte et Ce, Genève, No. 90381, retailed by Dechaux et Balanche à Marseille, circa 1883. Very fine 18K gold and pearl and cameo-set lady's fob watch.

C. Four-body, case back set with an agate cameo carved with a putto, gold scrolling pierced frame, pearl-set bezels, hinged gold cuvette. D. White enamel, radial Roman numerals, outer minute track, outermost gold Arabic five minutes. Gold "Louis XV" hands. M. 24 mm, frosted gilt bar caliber, cylinder escapement, brass balance with flat balance spring.Dial and movement signed.Diam. 30 mm.

Van Cleef & Arpels, Paris, circa 1925. Very fine and elegant rock crystal, white gold-mounted diamond-set keyless skeletonized dress watch with platinum chain, in original leather fitted box.

C. Single piece of crystal, faceted on edges, diamond-set band. D. Off-white enamel ring with gold radial Arabic numerals, glazed center with skeletonized movement. Blued steel Breguet hands. M. 40.6 mm (18'''), maillechort, skeletonized, "fausses côtes" decoration, 18 jewels, straight line lever escapement, cut bimetallic compensation balance with flat balance spring.Signed on the movement, pendant and box, pendant punched with French gold marks.Diam. 48 mm.

Verger, Paris, No. 6483, circa 1910. Fine 18K gold and lacquer, diamond-set Art Deco lady's lapel watch with matching diamond and pearl-set pendant.

C. Three-piece, black and cream lacquered band, back neo-classical scene painted on black background, diamond-set bars and Greek key decoration. Diamond and pearl-set pendant. D. Silvered, radial Roman numerals and inner minute track. Blued steel Breguet hands. M. 12 mm. (9'''), gilt, 18 jewels, straight line lever escapement, cut bimetallic compensation balance with Breguet balance spring.Case signed.Dim. 23 x 16 mm.

Albert H. Potter & Co, Geneva, No. 1, made circa 1887. Exceptional, highly important and unique 18K gold keyless watch with regulator dial, special winding/setting system, special plate construction and special single-tooth escape wheel lever escapement.

C. Four-piece, "bassine et filets", polished, the band incorporated into the movement, pendant of patented design, detachable glazed cuvette. D. White enamel, mounted by three feet secured by screws from the pillar plate, double sunk with small radial Roman hour chapter set at the top, central outer minute divisions with radial five-minute Arabic markers, subsidiary sunk seconds. Blued steel "lozenge" hands. M. 47.4 mm (21'''), nickel, unusual construction in which the pillar plate comprises a surrounding ring, circular decoration on the pillar plate, V-shaped bridge for the train mounted on one side by pins to the pillar plate ring decorated with spotting pattern, bridges for the escapement, going barrel with Maltese-cross stop work, 22 jewels in gold screwed settings, patented single-tooth-escape wheel lever escapement consisting of a small plate fitted on the pinion with a single ruby tooth, unusual cut bimetallic compensation balance with gold temperature screws and platinum quarer screws, blued steel Breguet balance spring, unusual keyless winding/setting mechanism with engagement setting mode by means of a vertical motion of the intermediate setting wheel bridge.Signed on dial, case and movement.Diam. 49 mm.

Patek, Philippe & Cie., Genève, No. 47824. Manufactured in 1876, sold on November 29, 1892. Very fine and rare 18K gold, double-train, independent dead seconds keyless watch. Accompanied by the Extract from the Archives.

C. Four-body, "bassine et filets", polished, gold hinged cuvette, activating pushbutton at 1 o'clock in the band.D. White enamel, Roman numerals, outer minute divisions. Blued steel "spade" hands. M. 42.8 mm (19'''), gilt brass, 23 jewels, straight line "moustache" lever escapement, cut bimetallic compensation balance with gold screws, blued steel Breguet balance spring, a flirt mounted on the last pinion of the independent dead seconds train engaging escape wheel pinion allowing one-second jumps, Philippe's patented winding system.Signed on the case.Diam. 53 mm.

Patek, Philippe & Cie., Genève, No.120632, case No. 230255, made for Gondolo & Labouriau, Relojoeiros, Rio de Janeiro, circa 1905. Very fine 18K yellow gold keyless Chronometro Gondolo. Accompanied by the Extract from the Archives.

C. Four-body, "bassine", engine-turned back, hinged gold cuvette. D. White enamel with radial Roman numerals, outer minute track with Arabic five minutes, sunk subsidiary seconds. Gold "spade" hands. M. 46 mm (21'''), gilt brass patented bridge caliber, 21 jewels, gold train, straight line "moustache" lever escapement, cut bimetallic compensation balance with blued steel Breguet balance spring, Wilmot's patented micrometer cam regulator.Dial, case and movement signed.Diam. 55 mm.