C. Three-body, ?forme quatre baguettes? by master casemaker Ami Gros, engine-turned back with gold center, bezels, pendant, and hinges, band engraved in an uncommon pattern. D. White enamel, Breguet numerals and outer five-minute track with 2 1/2 minute divisions, signed on the reverse ?S. Cavé, Pl. Thionville, 266?, secret signature below 12. Blued-steel Breguet hand. M. 54 mm (24'''), frosted gilt, early asymmetrical-plate, central barrel wound from the front only, overhanging Breguet ruby cylinder escapement, three-arm brass balance with unusually thin rim, blued steel flat balance spring, temperature compensating curb.Dial and movement signed, case punched with the serial number and casemaker?s mark. Diam. 62 mm.
Grading System: AA
CHF 20,000 - 25,000
USD 16,000 - 20,000
EUR 13,000 - 16,000
Sold: CHF 63,250
C. Four-body, ?forme quatre baguettes?, No. 3918 by master casemaker Tavernier, engine-turned, gold hinged cuvette.D. Silver, by Tavernier, champlevé Roman numerals, outer minute dot divisions, sunk subsidiary seconds between III and IIII o?clock. Blued-steel Breguet hands. M. 47 mm (21''') frosted gilt, bridge caliber, jeweled to the center, hanging barrel with Breguet continuous stopwork, overhanging ruby cylinder escapement, gilt 3-arm balance, blued steel flat balance spring, pare-chute on the top balance pivot, temperature compensation curb, Breguet type all-or-nothing repeating system with lifters disengaging by vertical movement, repeating on single gong via intermediate block by pull-and-twist piston in the pendant.Signed on dial and case.Diam. 53 mm.
Grading System: 
CHF 50,000 - 70,000
USD 40,000 - 55,000
EUR 30,000 - 45,000
Sold: CHF 71,300
C. Four-body, by master casemaker Tavernier, "forme quatre baguettes", gold with silver band, the whole engine-turned, the back engraved with the Count de Noailles? coat of arms, gold cuvette with bayonette fixing. D. Silver, by Tavernier, champlevé radial Roman numerals, outer minute dot divisions, engine-turned center, sunk subsidiary seconds between V and VI. Gold Breguet hands. M. 38 mm (17'''), frosted gilt, bar caliber, hanging barrel, jeweled to the center, ruby cylinder escapement, three-arm gold balance, blued steel flat balance spring, Breguet repetition system, repeating on single gong by pull-and-twist piston on the band at 2 o?clock.Dial and cuvette signed, case, dial, movement, and cuvette with the same serial number.Diam. 43 mm.
Grading System: AAA
CHF 35,000 - 45,000
USD 28,000 - 35,000
EUR 23,000 - 30,000
Sold: CHF 34,500
C. Gold with square band, polished, the back engraved with the monogram of Elie Halévy. D. White enamel with Breguet numerals and stars, and fleur-de-lys minute divisions. Blued steel Breguet hands. M. Inverted gilt brass full plate, the back plate relieved for the going barrel secured by a bridge. Early overhanging ruby cylinder escapement, plain brass three-arm balance, flat balance spring. Quarter dumb repeating by depressing the pendant.Diam. 55 mm.
Grading System:
CHF 60,000 - 80,000
USD 50,000 - 65,000
EUR 40,000 - 50,000
Sold: CHF 109,250
C. Gold engine-turned case, ?forme collier?, made by Mermillod No. 454, gilt brass cuvette. D. White enamel by Cavé (signed on the counter-enamel), Breguet numerals, star minute divisions and small offset subsidiary seconds. Secret signature ?Breguet No. 30? beneath the 12. Blued steel Breguet hands. M. Gilt brass movement, Lepine caliber with free-standing barrel, Breguet overhanging ruby cylinder escapement, plain brass three-arm balance with pare-chute suspension, blued steel flat balance spring with bimetallic compensation curb on the index. Repeating on the case by depressing the pendant with a massive polished steel single hammer.Diameter. 55 mm.
Grading System:
CHF 60,000 - 80,000
USD 50,000 - 65,000
EUR 40,000 - 50,000
Sold: CHF 86,250
C. Gilt bronze figure of a kneeling infant holding the clock in his raised hands, round gilt bronze base, gilt bronze bezel decorated in acanthus-leaf pattern. D. White enamel, radial Roman numerals, outer minute divisionswith fifteen-minute Arabic markers, winding aperture at 6, gilt ring in the center. Blued steel Breguet hands.M. Circular, brass, going barrel, platform with overhanging ruby cylinder escapement, three-arm balance, blued steel flat balance spring.Dial and platform signed.Dim: Height 45 cm, base 15 cm.
Grading System:
CHF 50,000 - 70,000
USD 40,000 - 55,000
EUR 30,000 - 45,000
Sold: CHF 74,750
C. Four-body, ?bassine?, back engine-turned in sunburst pattern, gold hinged cuvette. D. White enamel, radial Roman numerals, outer minute divisions, sunk subsidiary seconds. Gold ?spade? hands. M. 49 mm (22'''), frosted gilt, 20 jewels, straight line lever escapement, cut-bimetallic compensation balance with Breguet balance spring, ?swan-neck? micrometric regulator.Dial, case and movement signed.Diam. 57 mm.
Grading System: AA
CHF 5,000 - 8,000
USD 4,000 - 6,500
EUR 3,000 - 5,000
Sold: CHF 9,200
C. Four-body, "bassine", polished, silver, hinged cuvette. D. Silver, champlevé Arabic numerals, outer minute divisions. Blued steel "spade" hands. M. 47.4 mm (21'''), gilt brass, Cal. 166, "fausses côtes" decoration, 21 jewels, straight line calibrated lever escapement, anibal-brass Guillaume compensation balance with blued steel Breguet balance spring, "swan-neck" micrometric regulator.Dial, case and movement signed. Diam. 60 mm.
Grading System: AAA
CHF 6,000 - 9,000
USD 5,000 - 7,000
EUR 4,000 - 6,000
Sold: CHF 10,350
C. Four-body, "bassine", polished, silver, hinged cuvette. D. Silver, champlevé Arabic numerals, outer minute divisions. Blued steel "spade" hands. M. 47.4 mm (21'''), rhodium-plated, Cal. 163, "fausses côtes" decoration, 20 jewels, straight line lever escapement, cut-bimetallic compensation balance with Breguet balance spring, "swan-neck" micrometric regulator.Dial, case and movement signed, case back engraved H.S.- 2 4741. Diam. 60 mm.
Grading System: AA
CHF 6,000 - 9,000
USD 5,000 - 7,000
EUR 4,000 - 6,000
Sold: CHF 7,705
C. Four-body, ?bassine?, polished, silver hinged cuvette. D. Heavy, solid silver, bold champlevé radial Roman numerals, outer champlevé minute track, champlevé up-and-down sector at 12, champlevé subsidiary seconds. Blued-steel ?spade? hands. M. 47 mm. (21??) Cal. 18o, 20 jewels, straight line calibrated lever escapement, anibal-brass Guillaume balance with ?winged? arms, gold temperature adjustment screws and platinum mean time ones, special alloy Breguet balance spring inner and outer terminal curves, diamond endstone, ?swan-neck? micrometric regulator. Signed on dial, case and movement.Diam. 60 mm.
Grading System: AAA
CHF 20,000 - 25,000
USD 16,000 - 20,000
EUR 13,000 - 16,000
Sold: CHF 29,900
C. Four-body, ?bassine?, polished, silver hinged cuvette. D. Solid silver, bold champlevé radial Roman numerals, outer minute track, up-and-down sector at 12, and subsidiary seconds. Blued-steel ?spade? hands. M. 47 mm. (21??), Cal. 18o, 20 jewels, straight line calibrated lever escapement, anibal-brass Guillaume balance with ?winged? arms, gold temperature adjustment screws and platinum mean time screws, special alloy Breguet balance spring with inner and outer terminal curves, diamond endstone, ?swan-neck? micrometric regulator.Dial, case and movement signed, movement numbered twice, as per Geneva Observatory requirements.Diam. 60 mm.
Grading System: AAA
CHF 18,000 - 22,000
USD 14,000 - 18,000
EUR 12,000 - 14,000
Sold: CHF 25,300
C. Five-body, ?bassine?, polished, gold hinged cuvette. D. Off-white, radial Roman numerals, outer minute divisions, subsidiary sunk seconds. Blued-steel Breguet hands. M. 43 mm, (19'''), frosted gilt, 18 jewels, straight line ?moustache? lever escapement, cut-bimetallic compensation balance with Breguet balance spring, Wilmot patented micrometric cam regulator.Dial, case and movement signed.Diam. 54 mm.
Grading System: AA
CHF 4,000 - 6,000
USD 3,000 - 5,000
EUR 2,500 - 4,000
Sold: CHF 5,290
C. Five-body, ?bassine?, polished, gold hinged cuvette.D. Off-white, Arabic numerals, outer minute divisions with five-minute red Arabic markers, subsidiary sunk seconds. Blued steel Breguet hands. M. 40 mm (18'''), frosted gilt, 18 jewels, straight line ?moustache? lever escapement, cut-bimetallic compensation balance with Breguet balance spring.Dial, case and movement signed.Diam. 50 mm.
Grading System: AA
CHF 5,000 - 7,000
USD 4,000 - 5,500
EUR 3,200 - 4,500
Sold: CHF 6,900
C. Five-body, ?bassine?, polished, gold hinged cuvette. D. White enamel, radial Roman numerals, outer minute divisions, subsidiary sunk seconds. Blued steel ?spade? hands. M. 43 mm (19'''), maillechort, ?fausses côtes? decoration, 31 jewels, straight line calibrated lever escapement, cut-bimetallic compensation balance with Breguet balance spring, ?swan-neck? micrometric regulator, repeating on gongs through activating slide in the band.Dial and case signed.Diam. 52 mm.
Grading System: AAA
CHF 16,000 - 19,000
USD 13,000 - 15,000
EUR 10,000 - 12,000
Sold: CHF 18,400
C. Four-body, massive, "bassine", polished, back engraved with the Cumming-Gordon family coat of arms, with the motto ?Sans Crainte?, gold hinged cuvette. Pushbutton at 10 o?clock for the split-seconds, bolt at 11 for blocking the chronograph. D. White enamel, radial Roman numerals, outer minute divisions, outermost chronograph track divided into fifths, four sunk subsidiary dials for days of the week, date concentric with subsidiary seconds, months, and moon phase aperture with age of the moon. Blued steel "spade" hands. M. 43 mm (19'''), rhodium plated, "fausses côtes" decoration, 35 jewels, two-piece straight line counterpoised lever escapement, cut-bimetallic compensation balance with Breguet balance spring, ?swan-neck? micrometer regulator, repeating on gongs via activating slide in the band.Dial, case and movement signed.Diam. 55 mm
Grading System:
CHF 160,000 - 180,000
USD 130,000 - 140,000
EUR 100,000 - 120,000
Sold: CHF 202,050
C. Five-body, ?bassine et filets?, engine-turned covers, gold hinged cuvette. D. White enamel, radial Roman numerals, outer minute divisions with five-minute Arabic markers, three sunk subsidiary dials for days ofthe week concentric with seconds, date, months, and moon phase aperture. Blued-steel ?spade? hands.M. 43 mm (19'''), model 17A, nickel, ?fausses côtes? decoration, 20 jewels, straight line calibrated lever escapement, cut-bimetallic compensation balance with Breguet balance spring.Dial and case signed.Diam. 51 mm.
Grading System: AAA
CHF 28,000 - 33,000
USD 22,000 - 26,000
EUR 18,000 - 20,000
Sold: CHF 39,100
C. Four-body, ?bassine?, polished, gold hinged cuvette. D. White enamel, radial Roman numerals, outer minute divisions with five-minute Arabic markers, four sunk subsidiary dials for days of the week, date concentricwith subsidiary seconds, months, moon phase aperture with age of the moon. Blued steel ?spade? hands.M. 45 mm (20'''), maillechort, ?fausses côtes? decoration, 31 jewels, 8 adjustments, straight line calibrated lever escapement, cut-bimetallic compensation balance with Breguet balance spring, ?swan-neck? micrometricregulator, repeating on gongs via activating slide in the band.Dial, case and movement signed.Diam. 55 mm
Grading System:
CHF 100,000 - 150,000
USD 80,000 - 120,000
EUR 60,000 - 100,000
Sold: CHF 120,750
C. Three-body, solid, "variée", polished with satiné back and milled revolving bezel, dedication inscription inside the case back. D. Cloisonné enamel with the map of North America and gold indexes, outer Arabic dark and light revolving chapter ring for day and night hours and the world time chapter ring, bearing the name of 41 locations around the world and revolving with the bezel according to the Louis Cottier world time patent. Gold hands.M. Cal. 17'''-170 HU, rhodium-plated, "fausses-côtes" decoration, 18 jewels, straight line lever escapement, cut bimetallic balance adjusted to heat, cold, isochronism and five positions, blued steel Breguet balance spring with swan-neck micrometric index.Dial, case and movement signed.Diam. 45 mm.
Grading System:
CHF 80,000 - 100,000
USD 60,000 - 80,000
EUR 50,000 - 60,000
C. Three-body, massive, ?bassine?, polished with concealed hinges, gold hinged cuvette. Contest casEstainless steel, with double bezel. D. White enamel with bold Breguet Numerals, outer minute divisions, sunk subsidiary seconds. Contest dial: two-tone silver with black enamel Arabic numerals and indexes. Blued steel ?spade? hands. M. 50 mm (22'''), rhodium-plated, ?fausses côtes? decoration, gold train, punched twice with the Geneva quality mark, jeweled to the center (18 jewels), three arm equidistant highly polished steel carriage with lateral calibrated lever escapement, anibal-brass Guillaume compensation balance with gold temperature and mean-time screws, special alloy Breguet balance spring with terminal curves.Dial, case and movement signed.Diam. 60.2 mm.
Grading System:
CHF 0 - 0
USD 0 - 0
EUR 0 - 0
C. Three-piece, ?pomme? with concave bezels, polished, U-shaped bow. D. Two-tone, silvered, painted indexes on polished ring, outer minute divisions with five-minute Arabic markers, outermost tachometer scale with base 1000, inner telemeter scale, subsidiary seconds. Blued steel ?feuille? hands. M. 13''', 23 jewels, 8 adjustments, straight line lever escapement, monometallic balance with self-compensating Breguet balance spring.Dial, case and movement signed.Diam. 40 mm.
Grading System:
CHF 20,000 - 30,000
USD 16,000 - 25,000
EUR 13,000 - 20,000
Sold: CHF 34,500