C. Two-body, solid, polished, stepped bezel, concave and curved lugs, correctors on the band, transparent screw down case back, top Wesselton diamond set between the lugs at 6, sapphire crystals. D. Anthracite dial with silver chapter ring, 2 applied baguette diamonds and dart indexes on a plain reserve, concentric minute/ seconds track, apertures for the days of the week at 10, the date at 12, the months at 2 and the moon phases and 24-hour display at 6. White gold dauphine hands. M. Cal. 324/205, stamped with the Seal of Geneva quality mark, rhodium-plated, fausses cotes decoration, 34 jewels, straight-line lever escapement, Gyromax balance adjusted to heat, cold, isochronism and 5 positions, shock absorber, self-compensating free-sprung fl at balance spring, 21K gold rotor. Dial, case and movement signed. Dim. 38 x 51 mm. Thickness 12 mm.
Grading System:
USD 35,000 - 45,000
CHF 33,000 - 42,000
EUR 27,000 - 35,000
Sold: USD 38,750
C. Three-body, solid, polished, wide bezel, concave lugs, transparent snap-on case back, sapphire crystals. D. Matte silver with applied white gold baton indexes, outer engraved dot minute/seconds track, subsidiary dial for the 24 hours, apertures for the date, the days of the week, the months and the moon phases. White gold dauphine hands. M. Cal. 324/303, stamped with the Seal of Geneva quality mark, rhodium-plated, fausses cotes decoration, 34 jewels, straight-line lever escapement, Gyromax balance adjusted to heat, cold, isochronism and 5 positions, shock absorber, self-compensating fl at balance spring, 21K gold rotor. Dial, case and movement signed. Diam. 38 mm. Thickness 11 mm.
Grading System: AAA
USD 25,000 - 35,000
CHF 23,000 - 33,000
EUR 20,000 - 27,000
Sold: USD 40,000
C. Two-body, solid, polished, screw down transparent case back, concave bezel, concave lugs, sapphire crystals. D. Silver with applied luminous pink gold radial Roman numerals, subsidiary dials for the days of the week and the months, graduation for the power-reserve indication at 12, apertures for the date and the moon phases at 6, outer minute track. Luminous white gold feuille hands. M. Cal. 315/199, stamped with the Seal of Geneva quality mark, rhodium-plated, fausses cotes decoration, 37 jewels, straightline lever escapement, Gyromax balance, shock absorber, free-sprung self-compensating fl at balance spring, gold rotor. Dial, case and movement signed. Diam. 37 mm. Thickness 11 mm. Approx. overall length 175 mm.
Grading System: AAA
USD 20,000 - 30,000
CHF 18,000 - 28,000
EUR 15,000 - 23,000
Sold: USD 35,000
C. Three-body, solid, polished, coin-edge band, straight lugs, screwed bars, sapphire crystal. D. Two-tone guilloche silver with painted radial Roman numerals, outer minute division, aperture for the date. Blued steel Breguet hands. M. Cal. 591, rhodium-plated, fausses cotes decoration, 25 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating fl at balance spring, gold rotor, hack mechanism. Dial, case and movement signed. Diam. 35 mm. Thickness 7.5 mm.
Grading System: AA
USD 4,000 - 6,000
CHF 3,700 - 5,600
EUR 3,000 - 4,700
Sold: USD 5,750
C. Three-body, solid, polished, reeded band, rounded stepped bezel, lugs with screw bars, snap-on case back, domed sapphire crystal. D. Guilloche silver with painted black radial Roman numerals and secret Breguet signature on a plain reserve, outer ring with dot minute divisions, aperture for the date at 6. Blued steel Breguet hands. M. Cal. 517.1, rhodium-plated, 28 jewels, straight-line lever escapement, monometallic balance adjusted to 5 positions, shock absorber, self-compensating fl at balance spring. Dial, case and movement signed. Diam. 36 mm. Thickness 8 mm.
Grading System: AA
USD 4,000 - 6,000
CHF 3,700 - 5,600
EUR 3,000 - 4,700
Sold: USD 7,500
C. Three-body, solid, polished, coin-edge band, rounded bezel, white gold screw bars, transparent case back, sapphire crystals. D. Visible movement, small off-center guilloché silver dial with radial Roman numerals, retrograde power reserve indication at 11. Blued steel Breguet hands. M. Cal. 507 DR, Souscription style with sand-blasted fi nish, 34 jewels, straight-line lever escapement, monometallic balance with 4 regulating screws adjusted in fi ve positions, blued steel parachute shock absorber, selfcompensating free-sprung Breguet balance spring. Dial, case and movement signed. Diam. 38 mm. Thickness 12 mm.
Grading System: AAA
USD 12,000 - 18,000
CHF 11,000 - 17,000
EUR 9,000 - 14,000
Sold: USD 17,500
C. Three-body, solid, polished and brushed, curved straight lugs, transparent case back with 6 screws, sapphire crystals. D. Matte silver with painted Arabic numerals, outer minute track, subsidiary dials for the seconds at 9 and the power reserve indication at 3, aperture with polished steel bridge to view the tourbillon cage at 6. Blued steel alpha hands. M. Cal. L 902.0, Glashütte 3/4 plate, fausses cotes and oeil-de-perdrix decoration, 29 jewels including 5 in screwmounted gold chatons, power equalization with chain and fusée maintaining power and stepped planetary gearing, tourbillon cage bearing 2 diamond end stones, lateral lever escapement with one-minute tourbillon regulator with equidistant polished steel three-arm carriage, Glucydur balance with screws adjusted to 5 positions, shock absorber, self-compensating Breguet balance spring, hand engraved balance bridge. Dial, case and movement signed. Diam. 38 mm. Thickness 10 mm.
Grading System:
USD 120,000 - 180,000
CHF 110,000 - 170,000
EUR 90,000 - 140,000
Sold: USD 188,500
C. Three body, solid, polished, stepped bezel, transparent case back, sapphire crystals. D. Silver with applied yellow gold baton indexes, outer dot minute divisions, subsidiary dials for the days of the month, of the week, the 24 hours indication (A.M. - P.M.), the months and the leap year, aperture for the moon phases. Yellow gold dauphine hands. M. Cal. R 27 Q, stamped with the Seal of Geneva quality mark, rhodium plated, fausses cotes decoration, 39 jewels, straight-line lever escapement, Gyromax balance adjusted to heat, cold isochronism and 5 positions, shock absorber, self-compensating freesprung fl at balance spring, 22K gold micro-rotor. Repeating on gongs by activating slide on the band. Dial, case and movement signed. Diam. 36 mm. Thickness 12 mm. Property of a North American Collector
Grading System:
USD 250,000 - 400,000
CHF 230,000 - 370,000
EUR 200,000 - 300,000
Sold: USD 380,500
C. Three-body, solid, polished, fl uted lugs, transparent case back, sapphire crystals. D. Grey with applied yellow Breguet numerals, subsidiary seconds dial, concentric retrograde graduation for the days of the month, apertures for the days of the week, the months, the leap year and the moon phases. Yellow gold Breguet hands. M. Cal. RTO 27 PS-QR, stamped with the Seal of Geneva quality mark, rhodium-plated, fausses cotes decoration, 28 jewels, lateral lever escapement with one-minute tourbillon regulator with polished steel cage and 3 equidistant arms, Gyromax balance adjusted to heat, cold, isochronism and 5 positions, self-compensating free-sprung Breguet balance spring, repeating on gongs by activating a platinum slide on the band. Dial, case and movement signed. Diam. 37 mm. Thickness 15 mm.
Grading System:
USD 450,000 - 650,000
CHF 420,000 - 600,000
EUR 350,000 - 500,000
Sold: USD 542,500