C. Four-body, bassine, polished, the back cover with engraved scroll monogram. Hinged gold cuvette. D. White enamel with Arabic numerals, outer minute track, subsidiary seconds. Gold spade hands. M. 18???, matte gilt, 15 jewels, wolf?s tooth winding, straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, swan-neck micrometer regulator. Dial, case, cuvette and movement signed. Diam. 50 mm.
Grading System: AA
CHF 2,000 - 4,000
USD 1,800 - 3,600
EUR 1,400 - 2,800
Sold: CHF 3,600
C. Four-body, demi-bassine, solid, polished, hinged gold cuvette. D. Double-sunk, white enamel with bold Breguet numerals, outer minute track, sunk subsidiary seconds dial. Blued steel Breguet hands. M. Cal. 18''', inscribed « Grand Prix Paris 1900 », rhodiumplated, 18 jewels, straight-line lever escapement, anibal-brass Guillaume balance, blued steel Breguet balance spring with terminal curve, index regulator. Dial, case and movement signed. Diam. 53 mm.
Grading System: AA
CHF 2,200 - 3,200
USD 2,000 - 3,000
EUR 1,500 - 2,200
Sold: CHF 2,640
C. Three-body, polished, rounded bezel. D. Matte silver with prainted upright Roman numerals, outer minute track, subsidiary seconds. Blued steel Breguet hands. M. 17 ''', rhodium-plated, fausses cotes decoration, 18 jewels, straightline lever escapement, cut bimetallic compensation balance, the cut equidistant between the arms, Breguet balance spring, index regulator. Dial, case and movement signed. Diam. 52 mm.
Grading System: AA
CHF 3,000 - 4,000
USD 2,800 - 3,700
EUR 2,000 - 2,700
Sold: CHF 1,560
C. Four-body, bassine, polished, stop slide for the centerseconds at 8. Hinged gold cuvette. D. White enamel with radial Roman numerals, outer minute track and Arabic five-minute numerals, subsidiary seconds. Gold Louis XV hands. M. 18???, rhodium plated, fausses cotes decoration, 18 jewels, wolf?s tooth winding, counterpoised straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, index regulator, the centerseconds wheel with extra bridge. Case punched BHJ & Co. Diam. 50 mm.
Grading System: AA
CHF 1,200 - 2,200
USD 1,100 - 2,000
EUR 800 - 1,500
Sold: CHF 2,880
C. Four body, bassine et filets, polished, faceted band, the hinged and sprung front cover with the champlevé enameled diamond-set coat of arms of Umberto I, King of Italy. Hinged gold cuvette. D. White enamel with radial Arabic numerals, outer minute track, subsidiary seconds. Blued steel spade hands. M. 19"', gilt brass, 25 jewels, counterpoised straight line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, index regulator, repeating on gongs with two polished steel hammers, activated by a slide in the band. Movement and case signed, cuvette signed by the retailer. Diam. 52 mm.
Grading System: AAA
CHF 17,000 - 25,000
USD 16,000 - 23,000
EUR 12,000 - 17,000
Sold: CHF 40,800
C. Four-body, bassine et filet, engine-turned with polished borders. Hinged gold cuvette. D. White enamel, dauphine numerals, outer minute track, subsidiary seconds. Blued steel Breguet hands. M. 45 mm., 20???, matte gilt, 32 jewels, counterpoised straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring with terminal curve, index regulator, repeating on four gongs with four polished steel hammers activated by a slide on the band. Movement punched with Constant Piguet?s patent number. Diam. 55 mm.
Grading System: 
CHF 30,000 - 40,000
USD 28,000 - 36,000
EUR 20,000 - 28,000
Sold: CHF 40,800
C. Four-body, bassine et filets, massive, engine-turned with polished borders. Hinged gold cuvette with engineturned border, glazed gold-rimmed cover to view the movement. D. White enamel with radial Roman numerals, outer minute track and fifths of a second chronograph divisions, Arabic five second numerals to 300 units, subsidiary dials for the date, days of the week and the months, seconds with inner moon phase aperture. Gold Louis XV hands. M. 20"', rhodium-plated, fausses cotes decoration, 35 jewels, counterpoised straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, index regulator, visible chronograph work, repeating on gongs with two polished steel hammers activated by a slide on the band. Cuvette signed. Diam. 59 mm.
Grading System: AAA
CHF 38,000 - 50,000
USD 35,000 - 45,000
EUR 26,000 - 35,000
C. Four-body, bassine et filets, polished. Hinged gold cuvette engraved with the retailer?s details. D. White enamel, radial Roman numerals, outer minute track with five-minute Arabic numerals, two subsidiary sunk dials for date and days of the week, phases of the moon aperture with gold and enamel moon disc , age of the moon sector, aperture for the months. Gold spade hands. M. 19''', maillechort, "fausses côtes" decoration, 31 jewels, wolf?s tooth winding, gold wheel train, counterpoised straight-line lever escapement with Louis Audemars « shepherd?s crook » counterpoise, cut bimetallic compensation balance with gold screws, blued steel Breguet balance spring, repeating on gongs with two polished steel hammers activated by a slide in the band. Dial, cuvette and movement signed by the retailer, case with Louis Audemars punchmark. Diam. 52 mm.
Grading System: AAA
CHF 15,000 - 20,000
USD 14,000 - 18,000
EUR 10,000 - 14,000
Sold: CHF 16,800
C. Four-body, bassine, engraved band, the hinged and sprung front cover decorated with a painted on enamel scene of Venus and cupids signed E.V., royal blue translucent enamel border with engraved gold decoration, the back cover decorated to match with a central painted on enamel scene of two cupids. Hinged gold cuvette, glazed gold-rimmed cuvette. D. White enamel with radial Roman numerals, outer minute track and Arabic five-minute numerals, subsidiary seconds. Black spade hands. M. 12???, rhodium plated, fausses cotes decoration, 31 jewels, counterpoised straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, index regulator, repeating on gongs with two polished steel hammers activated by a slide on the band. Cuvette signed. Diam. 34 mm.
Grading System: AA
CHF 8,700 - 12,000
USD 8,000 - 11,000
EUR 6,000 - 8,000
Sold: CHF 13,200
C. Four-body, bassine et filets, reeded band, the front cover decorated with a finely painted on enamel grisaille cartouche on a translucent royal blue ground, the center with a polychrome putto within a rectangular rose-cut diamond-set border, outer black champleve enamel border with engraved gold anthemions, the back cover decorated en suite. Hinged gold cuvette with engraved border. D. Engraved silver with painted radial Roman numerals, the center and outer border with applied gold foliate decoration, subsidiary seconds. Blued steel spade hands. M. 14 ½???, matte gilt, three-quarter plate, jewelled to the third wheel, wolf?s tooth winding, lateral lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, index regulator. Dial, cuvette and movement signed. Diam. 43 mm.
Grading System: AA
CHF 8,000 - 12,000
USD 7,500 - 11,000
EUR 5,500 - 8,000
Sold: CHF 14,400
C. Four-body, lobed with twelve segments decorated with painted on enamel flowers and trophies on a translucent opalescent ground, the segments between painted in imitaion of shagreen, the bezel decorated to match. D. White enamel with Islamic numerals, outer minute track. Gold Breguet hands. M. 19???, matte gilt, 8 jewels, ruby cylinder escapement, three-arm gilt balance, flat balance spring, index regulator with bimetallic temperature compensation curb, repeating with two polished steel hammers on two gongs activated by a pull-and-twist piston in the pendant. Cuvette signed. Diam. 55 mm.
Grading System: AA
CHF 8,500 - 13,000
USD 8,000 - 12,000
EUR 6,000 - 9,000
Sold: CHF 12,000
C. Four-body, forme collier, the back cover decorated with a painted on enamel musical and floral trophy on a pale blue ground, serpentine translucent red enamel border, outer green and red enamel reserve with gold foliage and six circular flower roundels, bezel with eccentric glazed aperture and decorated to match, shell and flower band. Hinged gold cuvette with technical details in champleve enamel, apertures for winding and hand-setting. D. Silver with radial black Roman numerals on a moire chapter ring, outer minute divisions, the center engraved with a harbour view within a scroll border. Gold Breguet hands. M. 43 mm., matte gilt, 8 jewels, English-type ruby cylinder escapement, plain three-arm balance, blued steel flat balance spring, index regulator, repeating on gongs with two polished steel hammers activated by a pull-and-twist piston in the pendant. The reverse of the dial punched Dx & F. Diam. 49 mm.
Grading System: AA
CHF 8,000 - 12,000
USD 7,500 - 11,000
EUR 5,500 - 8,000
Sold: CHF 15,600
C. Multi-piece, torch-form, gilt and silvered brass, square revolving upper section for the dials, fluted base and finial on a gilt bracket and wooden base, pyramidal top surmounted by an armillary sphere. D. Brushed silver with applied gilt baton hour indexes, Arabic quarter-hour numerals, further brushed silvered dials for the hygrometer, thermometer and barometer. Gilt dauphine hands. M. 15 jewels, lever escapement, rear winding and hand setting. Dial signed. Dim. 30 x 9 x 9 cm.
Grading System: A
CHF 500 - 1,000
USD 450 - 900
EUR 350 - 700
Sold: CHF 1,440
C. Rectangular, white agate body, the top and base set with malachite panels, gilt brass feet. D. Square, brushed silvered, applied gilt brass conical indexes and Arabic quarter-hour numerals, gilt bezel. Gilt fleur-de-lys hands. M. 8-day going, rear winding. Dial signed. Dim. 13.6 x 8.8 cm.
Grading System: A
CHF 500 - 700
USD 450 - 650
EUR 350 - 500
Sold: CHF 480
C. Circular, gilt brass in swivel frame, supported by the figure of a lady in classical dress, rectangular white-veined black marble base, brass feet. D. Circular, overlaid with translucent blue enamel over a sun-ray engine-turned ground, applied gilt brass dot indexes and Roman quarter-hour numerals. Gilt brass arrow hands. M. 15 jewels, lever escapement, rear winding and hand setting. Dial signed. Dim. 19 cm high.
Grading System: A
CHF 900 - 1,500
USD 800 - 1,400
EUR 600 - 1,000
Sold: CHF 720
C. Rectangular, gilt brass with wavy-line border, hinged strut stand. D. Rectangular, overlaid with translucent Royal blue guilloche enamel, gilt-edged black Arabic numerals, inner minute track. Black and gilt fancy hands. M. Rhodium-plated, 15 jewels, straight-line lever escapement, monometallic balance, self-compensating flat balance spring, rack regulator. Dial and movement signed. Dim. 17 x 13 cm.
Grading System: A
CHF 500 - 700
USD 450 - 650
EUR 350 - 500
Sold: CHF 600
C. Circular, brushed brass, moulded and rectangular base, convex glass. D. Brushed silvered with applied gilt brass radial Roman numerals, outer minute track, the center with world planisphere and the names of 42 world cities and countries, aperture for the 24-hour day and night indication, scale above to calculate the world time. Gilt brass tapered baton hands. M. Lever escapement, three-arm balance, index regulator. Diam. 26 cm.
Grading System: A
CHF 500 - 800
USD 450 - 700
EUR 350 - 550
Sold: CHF 1,800
C. Circular, brushed and polished gilt brass, stepped circular base. D. Inclined brushed silvered annular chapter ring with applied gilt brass baton indexes and Roman quarter-hour numerals, rotating silvered disc for the 24-hours, inner rotating gilt and blue world planisphere divided into sectors and with the names of 24 world cities and countries. Gilt dauphine hands. M. Rhodium-plated, 15 jewels, straight-line lever escapement, monometallic balance, self-compensating flat balance spring, rack regulator. Dial and movement signed. Dim. 12 x 10.7 cm.
Grading System: A
CHF 300 - 500
USD 250 - 450
EUR 200 - 350
Sold: CHF 1,320
C. Two-body, gilt-brass, circular inclined, the bezel with day and night ring with 24-hour numerals, revolving world time ring engraved with the names of 66 world cities and countries. D. Brushed silvered with applied gilt conical indexes and baton quarter-hour indexes, aperture for the date. Gilt circle and baton hands. M. 22???, rhodium-plated, fausses cotes decoration, 15 jewels, straight-line lever escapement, monometallic balance, flat balance spring, index regulator. Dial and movement signed. Diam. 11.2 cm.
Grading System: A
CHF 1,000 - 2,000
USD 900 - 1,800
EUR 700 - 1,400
Sold: CHF 2,400
C. Gilt brass, in the form of a Pasha watch with blue lacquered detail, concave bezel with blue baton hour indexes and Arabic quarter-hour numerals, cabochon sapphire-set buttons in the base for setting all functions. D. Frosted silver with applied luminous dot hour indexes, outer minute track, subsidiary dials for the date, days of the week and the second time zone, aperture for the moon phases. Luminous blued steel lozenge hands. M. Quartz standardization. Diam. 11 cm.
Grading System: AA
CHF 1,200 - 2,200
USD 1,100 - 2,000
EUR 800 - 1,500
Sold: CHF 1,920