C. Two-body, solid, polished and brushed, clous-de-Paris decorated bezel, snap-on case-back, sapphire crystal. D. Porcelaine with painted radial Roman numerals, subsidiary seconds dial. Black oxidized feuille hands. M. Cal. 215PS, stamped with the Geneva quality mark, rhodium-plated, fausses cotes decoration, 18 jewels, straight line lever escapement, Gyromax balance adjusted to heat, cold, isochronism and 5 positions, shock absorber, self-compensating freesprung flat balance spring. Dial, case and movement signed. Diam. 33.5 mm. Thickness 7 mm. Approx. Overall length 170 mm.
Grading System: AAA
CHF 12,000 - 17,000
USD 11,000 - 16,000
EUR 8,000 - 12,000
Sold: CHF 15,000
C. Two-body, solid, partly polished on the back, on the band and bezel, also partly chased in a bark-effect pattern, trapezoidal fixed pendant. D. Entirely chased white gold repeating the case decoration and with applied black baton indexes. Black baton hands. M. Cal. 23-300 PM, stamped twice with the Seal of Geneva Quality Mark, rhodium-plated, fausses-cotes decoration, 18 jewels, straight line lever escapement, Gyromax balance adjusted for heat, cold, isochronism and 5 positions, self-compensating Breguet balance-spring. shock-absorber. Dial, case and movement signed. Dim. 41 x 36 mm.
Grading System: AAA
CHF 4,000 - 6,000
USD 3,800 - 5,700
EUR 2,800 - 4,200
Sold: CHF 5,400
C. Two-body, solid, polished and brushed, screw-down case back, concave lugs. D. Beige enamel with applied pink gold faceted baton indexes, subsidiary seconds dial, outer dot minute divisions. Pink gold dauphine hands. M. Cal. 12???-600 AT, stamped with the Seal of Geneva quality mark, rhodium-plated, fausses cotes decoration, 30 jewels, straight line lever escapement, Gyromax balance adjusted for heat, cold, isochronism and five positions, shock-absorber, selfcompensating Breguet balance spring, swan neck micrometer regulator,18K gold rotor. Dial, case and movement signed. Diam. 35 mm. Thickness 11 mm. Approx. overall length 175 mm.
Grading System: AAA
CHF 28,000 - 40,000
USD 27,000 - 38,000
EUR 20,000 - 30,000
Sold: CHF 58,800
C. Two-body, polished, stepped hooded lugs, snap-on back, curved crystal. D. Brushed silver with applied pink gold baton indexes and Roman quarter-hour numerals, outer minute track, subsidiary seconds. Pink gold baton hands. M. Cal. 9???90, tonneau-shaped, rhodium-plated, fausses cotes decoration, 18 jewels, staright line lever escapement, monometallic balance adjusted to heat, cold, isochronism and 5 positions, blued steel flat balance spring, index regulator. Dial, case and movement signed. Dim. 39 x 21 mm. Thickness 8 mm
Grading System: AAA
CHF 20,000 - 30,000
USD 19,000 - 28,000
EUR 14,000 - 21,000
Sold: CHF 31,200
C. Two-body, solid, polished and brushed, flat bezel, rectangular overhanging straight lugs. D. Matte silver with applied pink gold baton and dot indexes, subsidiary dial for the seconds, outer minute track. Pink gold baton hands. M. Cal. 9'''-90, tonneau shaped , rhodium plated, fausses cotes decoration, 18 jewels, straight line lever escapement, cut bimetallic balance, Breguet balance spring, index regulator. Dial, case and movement signed. Dim. 26 x 30 mm. Thickness 9 mm.
Grading System: AAA
CHF 20,000 - 30,000
USD 19,000 - 28,000
EUR 14,000 - 21,000
Sold: CHF 24,000
C. Four-body, "bassine", polished, concealed hinge. Hinged gold cuvette. D. White enamel with Breguet numerals, outer minute track, subsidiary seconds dial. Blued steel spade hands. M. 41 mm., 19???, ?Extra?, rhodium plated, fausses cotes decoration, engraved twice with the movement number, 17 jewels, wolf's tooth winding, straight-line counterpoised and calibrated lever escapement, anibalbrass Guillaume balance with winged arms, gold and platinum temperature adjustment screws, blued steel Breguet balance spring with terminal curve, diamond endstone, swan-neck micrometer regulator. Dial, case, cuvette and movement signed, cuvette and movement also signed by the retailer. Diam. 49.2 mm.
Grading System: AAA
CHF 7,000 - 9,000
USD 6,700 - 8,500
EUR 5,000 - 6,300
Sold: CHF 22,200
C. Two-body, polished and brushed, hooded lugs, ?bombé? crystal. D. Matte silver with applied pink gold baton and dot indexes, subsidiary seconds dial. Pink gold baton hands. M. Cal. 9'''-90, tonneau, stamped twice with the Seal of Geneva Quality Mark, rhodium-plated, fausses cotes decoration, 18 jewels, straight-line lever escapement, monometallic balance adjusted to heat, cold, isochronism and 5 positions, self-compensating Breguet balance spring, micrometer regulator. Dial, case and movement signed. Dim. 25 x 36 mm Thickness 9.5 mm.
Grading System: AA
CHF 10,000 - 15,000
USD 9,500 - 14,000
EUR 7,000 - 10,000
C. Two-body, solid, polished, flared sides, straight curved lugs, snap-on case back. D. Silver with applied pink gold Arabic numerals, subsidiary dial for the seconds, outer minute track. Pink gold baton hands. M. Cal. 203, rhodium-plated, fausses cotes decoration, straight line lever escapement, monometallic balance, selfcompensating balance spring, index regulator. Dial, case and movement signed. Dim. 24 x 36 mm. Thickness 9 mm.
Grading System: AA
CHF 2,500 - 4,500
USD 2,400 - 4,300
EUR 1,800 - 3,100
Sold: CHF 6,240
C. Two-body, solid, polished and brushed, yellow gold bezel with 18K white gold dart indexes in relief, lapidated lugs, snap-on case back. D. Polychrome cloisonné enamel depicting a mermaid. Yellow gold baton hands. M. Cal. P454/5B, rhodium plated, fausses cotes decoration, 17 jewels, straight line lever escapement, monometallic balance adjusted to temperatures, shock absorber, self-compensating Breguet balance spring, swan-neck regulator. Case and movement signed. Diam. 33 mm. Thickness 10.5 mm.
Grading System: AAA
CHF 80,000 - 100,000
USD 76,000 - 95,000
EUR 56,000 - 70,000
Sold: CHF 100,800
C. Three-body, solid, polished and brushed, inclined bezel, lapidated lugs, snap-on case back, sapphire crystal. D. Matte silver with applied yellow gold baton and pyramidal indexes, outer dot minute division, subsidiary dial for the days of the month, apertures for the days of the week, the months and the moon phases. Yellow gold dauphine hands. M. Cal. 27-460 Q, stamped with the Seal of Geneva quality mark, rhodium-plated, fausses cotes decoration, 37 jewels, straight-line lever escapement, Gyromax balance adjusted to heat, cold, isochronism and 5 positions, shock absorber, self-compensating blued Breguet balance spring, 18K yellow gold rotor. Dial, case and movement signed. Dial retailed by Cartier, case with Cartier reference numbers. Diam. 37 mm. Thickness 13 mm.
Grading System: 
CHF 120,000 - 180,000
USD 115,000 - 170,000
EUR 85,000 - 125,000
Sold: CHF 204,000
C. Three-body, solid, polished and brushed, concave bezel, fluted lugs, screwed-down case back, sapphire crystals. D. Black with applied white gold faceted baton and pyramidal indexes, subsidiary dials for the seconds, the 30-minute register, the days of the month, the 24 hours and the leap year, apertures for the days of the week, the months and the moon phases. White gold baton hands. M. Cal. CH 27-70/155, stamped with the Seal of Geneva quality mark, rhodium-plated, fausses cotes decoration, 24 jewels, straight-line lever escapement, Gyromax balance adjusted to heat, cold, isochronism and 8 positions, shock absorber, free-sprung self-compensating Breguet balance spring. Dial, case and movement signed. Diam. 36.5 mm. Thickness 12 mm.
Grading System:
CHF 110,000 - 150,000
USD 105,000 - 145,000
EUR 77,000 - 105,000
Sold: CHF 120,000
CHF 7,000 - 9,000
USD 6,700 - 8,500
EUR 500 - 6,300
Sold: CHF 10,200
Count and Countess Orloff, Russian aristocrats, were important clients of Breguet. Countess Orloff apologizes for a misunderstanding concerning a sum owed to Breguet, and signs, "votre toute dévouée A".
CHF 8,000 - 12,000
USD 5,600 - 8,500
Sold: CHF 5,400
Marinville was maître de la garde-robe of the king of Westphalia, Jerôme Bonarparte. His duties included the care of the King's watches. He asks Breguet to replace a glass on a watch and to send it to the jeweler Nitot for further work.
CHF 5,000 - 7,000
USD 4,800 - 6,700
EUR 3,500 - 5,000
Sold: CHF 3,600
Letter to Louis Breguet from M. Schumacher, Altona, 1829, 8 pages. To be sold without reserve
An important account on performance of Breguet?s astronomical clock No. 3405 taken between Oct. 21, 1822 and Nov. 20, 1827. Schumacher bought the clock on June 19, 1820 for 1200 francs. It was an important regulator from a series of three pieces. Schumacher was one of the most important Breguet clock collectors, and bought at least twenty pieces.
CHF 7,000 - 9,000
USD 6,700 - 8,500
EUR 5,000 - 6,300
Sold: CHF 1,200
Head and truncated bust, finely cast and finished, the base with wooden insert. Dim. 19 x 10.4 x 9 cm. In very good condition, fine original patination.
CHF 2,000 - 3,000
USD 1,900 - 2,800
EUR 1,400 - 2,100
Sold: CHF 5,520
C. Rectangular solid mahogany with sliding rear door, four fine ormolu paw feet and gilt brass glazed bezel secured by two sliding latches on the inside of the case. D. White enamel, covex with Breguet numerals, outer minute track. Blued steel Breguet hands. M. Large brass hexagonal, going barrels for both the going and the striking trains, anchor escapement, brass bob pendulum with silk suspension and sprung locking device for transport, knurled button on the back plate for setting the hands, outside countwheel for the striking on a bell. Signed on the dial and back plate. Dim. 28.5 x 18 x 13.5 cm.
Grading System:
CHF 30,000 - 40,000
USD 28,000 - 38,000
EUR 21,000 - 30,000
Sold: CHF 36,000
C. Four-body, forme quatre baguettes, engine-turned with polished borders, coin-edge band with gold pins for the à tact, front cover with finely painted coat of arms of the Kopacz Meleniewski family on a royal blue ground, the back cover with foliate engraved à tact hand and painted on enamel initials "UM" beneath a painted on enamel Polish Noble Crown. Hinged gold cuvette engraved with a sidereal time chart for each month with dates and hours, minutes and seconds. D. White enamel with radial Roman numerals, outer minute track with gothic letters at each five-minutes spelling the name "U. Meleniewski", subsidiary seconds. Blued steel spade hands. M. 38 mm., 17???, matte gilt bar caliber, 12 jewels, pivoted detent escapement, cut bimetallic compensation balance, Breguet balance spring, index regulator. Cuvette signed. Diam. 45.5 mm.
Grading System:
CHF 25,000 - 35,000
USD 23,000 - 33,000
EUR 17,000 - 25,000
Sold: CHF 30,000
C. Three-body, solid, polished, concave bezel, curved and fluted lugs, transparent screwed-down case back, sapphire crystals. D. Matte silver with applied oxidized white gold faceted baton indexes, subsidiary dials for the seconds and the 24 hours, the 30-minute register and the leap year, graduation for the days of the month, minute/ seconds track, outer tachometer and 1/5th seconds scale, apertures for the days of the week, the months and the moon phases. Oxidized white gold feuille hands. M. Cal. 27-70Q, stamped with the Seal of Geneva quality mark, rhodium-plated, fausses cotes decoration, 24 jewels, straight-line lever escapement, Glucydur Gyromax balance adjusted to heat, cold, isochronism and 8 positions, shock absorber, self-compensating free-sprung Breguet balance spring. Dial, case and movement signed. Diam. 40 mm. Thickness 13 mm.
Grading System:
CHF 120,000 - 170,000
USD 115,000 - 160,000
EUR 85,000 - 120,000
Sold: CHF 156,000
C. Three-body, solid, bassine, polished, glazed on both sides, switch bolt at 3 for grande/ petite sonnerie selection and at 10 for strike/ silent. D. White enamel, radial Roman numerals, outer minute divisions, subsidiary sunk seconds. Blued steel spade hands. M. 45 mm. (20'''), rhodium-plated, fausses cotes decoration, 27 jewels, lateral calibrated lever escapement, cut bimetallic compensation balance with Breguet balance spring set on 3-arm equidistant Pellaton carriage, two barrels with Mairet tandem winding, Henri Golay striking mechanism, repeating on gongs by tripping a small gold slide on the band at 4. Dial and movement signed Tchétounoff Freres. Diam. 57 mm.
Grading System:
CHF 300,000 - 400,000
USD 285,000 - 380,000
EUR 210,000 - 280,000
Sold: CHF 366,000