C. Three-body, solid, polished, case back with concentric guilloché engraving, coin-edged band, straight lugs, gold screwed bars, rounded bezel, sapphire crystal. D. White enamel with painted Breguet numerals, outer dot minute divisions, subsidiary seconds dial between 5 & 6. Blued steel Breguet hands. M. Cal. 502.3SD, rhodium-plated, fausses cotes decoration, 35 jewels, straight-line lever escapement, monometallic balance with regulating screws adjusted to 5 positions, shock absorber, self-compensating flat balance spring. Dial, case and movement signed. Diam. 41 mm. Thickness 11 mm.
Grading System: AA
USD 6,000 - 10,000
CHF 6,000 - 10,000
EUR 4,000 - 68,000
Sold: USD 10,200
C. Three-body, solid, polished and brushed, inclined bezel, faceted straight lugs. D. Matte silver with applied yellow gold dart indexes, outer 1/5th seconds track with 5-minute/seconds Arabic markers. Yellow gold baton hands. M. Cal. 27-SC, rhodium-plated, fausses cotes decoration, 18 jewels, straightline lever escapement, cut bimetallic compensation balance, shock absorber, blued steel Breguet balance spring, swan-neck micrometer regulator. Dial, case and movement signed. Diam. 32 mm. Thickness 10 mm.
Grading System: AA
USD 6,000 - 8,000
CHF 6,000 - 8,000
EUR 4,000 - 5,500
Sold: USD 7,200
C. Two-body, solid, polished, teardrop lugs, snap-on case back. D. Black with applied yellow gold dot indexes and Arabic numerals, inner minute track, subsidiary seconds dial. Yellow gold baton hands. M. Cal. 453/1, rhodium-plated, fausses cotes decoration, 17 jewels, straight-line lever escapement, monometallic balance adjusted to temperatures, self-compensating Breguet balance-spring. Dial, case and movement signed. Diam. 29 mm. Height 8 mm.
Grading System: A
USD 2,000 - 3,000
CHF 2,000 - 3,000
EUR 1,400 - 2,000
Sold: USD 2,040
C. Three-body, solid, polished, inclined bezel, lapidated lugs, snap-on case back engraved: GMOO, J.A. Eberth 1927 - 1952. D. Black with applied pink gold round and dart indexes, outer minute track, subsidiary seconds dial. Pink gold baton hands. M. Cal. 12??? 120, 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, swan-neck micrometer regulator. Dial, case and movement signed. Diam. 35 mm. Thickness 10 mm.
Grading System: AA
USD 10,000 - 15,000
CHF 10,000 - 15,000
EUR 6,000 - 10,000
Sold: USD 12,000
C. Three-body, solid, polished and brushed, stepped hobnailfinished bezel, sapphire crystal. D. Navy blue with applied yellow gold faceted baton indexes. Yellow gold baton hands. M. Cal. 28-255, stamped with the Seal of Geneva quality mark, rhodium plated, fausses cotes decoration, 36 jewels, straightline lever escapement, Gyromax balance adjusted to heat, cold, isochronism and 5 positions, shock absorber, self-compensating flat balance spring, 21K gold rotor segment. Dial, case and movement signed. Diam. 35 mm. Thickness 6 mm.
Grading System: AA
USD 5,000 - 8,000
CHF 5,000 - 8,000
EUR 3,400 - 5,500
Sold: USD 6,240
C. Two-body, solid, polished and brushed, screwed-down case back, sloped bezel, lapidated straight lugs. D. "Satin", silver with applied yellow gold baton indexes, outer minute divisions, subsidiary seconds dial. Yellow gold baton hands. M. Cal. 27-460, stamped twice with the Seal of Geneva Quality Mark, rhodium plated, fausses cotes decoration, 37 jewels, straight-line lever escapement, free-sprung Gyromax balance adjusted to heat, cold, isochronism and five positions, shock absorber, self-compensating free-sprung Breguet balance spring, 18K gold rotor. Dial, case and movement signed. Diam. 34 mm. Thickness 10 mm. Length approx. 200 mm.
Grading System: AA
USD 7,000 - 10,000
CHF 7,000 - 10,000
EUR 4,800 - 6,800
Sold: USD 8,400
C. Two-body, solid, polished, screwed-down case back, stepped concave bezel, fluted lugs. D. Matte silver with applied pink gold dart indexes and Arabic 12, subsidiary seconds dial. Pink gold dauphine hands. M. Cal. 12'''600, 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 5 positions, shock absorber, self-compensating Breguet balance spring, swan-neck micrometer regulator, 18K gold rotor. Dial, case and movement signed. Diam. 36 mm. Thickness 11 mm.
Grading System: AAA
USD 15,000 - 20,000
CHF 15,000 - 20,000
EUR 10,000 - 14,000
Sold: USD 19,800
C. Two-body, solid, polished and brushed, stepped bezel, case back fixed with a screwed-down ring, back winder, sapphire crystal. D. Matte silver with applied white gold and black baton indexes. White gold and black baton hands. M. Cal. 350, stamped with the Seal of Geneva quality mark, rhodium-plated, fausses cotes decoration, 28 jewels, straight-line lever escapement, Gyromax balance adjusted to heat, cold, isochronism and 5 positions, shock absorber, self-compensating free-sprung Breguet balance spring. Dial, case and movement signed. Dim. 36 x 36 mm. Thickness 8 mm.
Grading System: AA
USD 4,000 - 6,000
CHF 4,000 - 6,000
EUR 2,700 - 4,000
Sold: USD 5,400
C. Two-body, polished and brushed, screwed-down case back, stepped bezel, lapidated curved and straight lugs. D. Satiné silver with applied white gold baton indexes, outer minute division, subsidiary seconds dial, white gold rimmed aperture for the jump date. White gold baton hands. M. Cal. 27-460 M, stamped twice with the Seal of Geneva Quality Mark, rhodium plated, fausses cotes decoration, 37 jewels, straightline lever escapement, Gyromax balance adjusted to heat, cold isochronism and 5 positions, shock absorber, self-compensating free-sprung Breguet balance-spring, 18K gold rotor. Dial, case and movement signed. Diam. 35 mm. Thickness 10 mm.
Grading System: AA
USD 8,000 - 12,000
CHF 8,000 - 12,000
EUR 5,500 - 8,200
Sold: USD 10,200
C. Two-body, solid, polished, band engraved in a scroll pattern, central lugs, transparent case back, cabochon sapphire-set winding crown, sapphire crystals. D. Black oxidized gold Breguet hands. M. Cal. 240 SQ, skeletonized, 27 jewels, straight-line lever escapement, Gyromax balance, shock absorber, self-compensating free-sprung flat balance spring, 22K gold micro-rotor. Movement signed, case numbered. Diam. 31 mm. Thickness 5 mm
Grading System: AAA
USD 20,000 - 30,000
CHF 20,000 - 30,000
EUR 14,000 - 20,000
Sold: USD 37,200
C. Two-body, solid, polished, concave bezel, transparent case back, sapphire crystals. D. Matte silver with applied white gold baton indexes, outer dot minute divisions, subsidiary dials for the days of the month, the week, the 24 hours, the month and leap year, aperture for the moon phases. White gold dauphine hands. M. Cal. 240/144, stamped with the Seal of Geneva quality mark, rhodiumplated, fausses cotes decoration, 27 jewels, straight-line lever escapement, Gyromax balance adjusted to heat, cold, isochronism and 5 positions, shock absorber, self-compensating free-sprung flat balance spring, 22K gold micro-rotor. Dial, case and movement signed. Diam. 37 mm. Thickness 9 mm.
Grading System: 
USD 35,000 - 55,000
CHF 35,000 - 55,000
EUR 24,000 - 37,000
Sold: USD 46,800
C. Two-body, solid, polished, concave bezel and lugs, Top Wesselton diamond set between lugs at 6, correctors in the band, screweddown transparent case back, sapphire crystals. D. Anthracite with applied white gold faceted baton indexes and luminous dots, outer minute and 1/5th seconds divisions, silver-gray subsidiary dials for the combined 30/60-minute and 12-hour totalizer, sector for the power-reserve indication, apertures for the days of the week, the date, the months and the day/night indication. White gold luminous feuille hands. M. Cal. CH 28-520/521, stamped with the Seal of Geneva quality mark, rhodium-plated, fausses cotes decoration, 40 jewels, straight-line lever escapement, Gyromax balance adjusted to heat, cold, isochronism and 5 positions, shock absorber, self-compensating free-sprung Breguet balance spring, 21K gold rotor with oil-free ball bearing and zirconium balls. Dial, case and movement signed. Diam. 41 mm. Thickness 14 mm.
Grading System:
USD 40,000 - 60,000
CHF 40,000 - 60,000
EUR 27,000 - 40,000
Sold: USD 60,000
C. Three-body, solid, polished, concave bezel, fluted lugs, screwed-down transparent case back, sapphire crystals. D. Satiné silver with applied yellow gold baton indexes, apertures for the days of the week, the months, the moon phases and the leap year, retrograde sector for the date. Yellow gold feuille hands. M. Cal. 315/136, stamped with the Seal of Geneva quality mark, rhodium-plated, fausses cotes decoration, 31 jewels, straightline lever escapement, Gyromax balance adjusted to heat, cold, isochronism and 5 positions, shock absorber, self-compensating free-sprung flat balance spring. Dial, case and movement signed. Diam. 36 mm. Thickness 12 mm.
Grading System:
USD 45,000 - 55,000
CHF 45,000 - 55,000
EUR 30,000 - 37,000
Sold: USD 57,600
C. Three-body, solid, polished, concave bezel, curved and fluted lugs, transparent screwed-down case back, sapphire crystals. D. Matte silver with applied yellow gold faceted baton indexes, subsidiary dials for the seconds, the 24 hours, the 30-minute register and the leap year, graduation for the days of the month, outer 1/5th seconds track and tachometer scale, apertures for the days of the week, the months and the moon phases. Yellow gold feuille hands. M. Cal. 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, self-compensating free-sprung Breguet balance spring. Dial, case and movement signed. Diam. 40 mm. Thickness 13 mm.
Grading System:
USD 90,000 - 120,000
CHF 90,000 - 120,000
EUR 60,000 - 80,000
Sold: USD 120,000
C. Two-body, solid, polished, transparent and screw-down case back, wide stepped bezel, fluted lugs, sapphire crystals. D. Matte silver with applied black oxidized gold Arabic numerals, subsidiary dials for the seconds and 30-minute register, outer tachometer graduation. Black oxidized gold feuille hands. M. Cal. 27-70/157, 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, self-compensating free-sprung Breguet balance spring. Dial, case and movement signed. Diam. 42 mm. Thickness 12 mm.
Grading System:
USD 50,000 - 70,000
CHF 50,000 - 70,000
EUR 34,000 - 50,000
Sold: USD 62,400
C. Three-body, solid, polished, stepped rounded bezel, fluted lugs, coaxial push button in the crown for the split-seconds function, screwed-down transparent case back to view the movement, sapphire crystals. D. Black with applied pink gold Arabic numerals, subsidiary dials for the 30-minute register and leap year at 3, the seconds and the 24 hours at 9, graduation for the days of the month at 6, apertures for the days of the week, the months and the moon phases. Pink gold feuille hands. M. Cal. CHR 2-70/150, stamped with the Seal of Geneva quality mark, rhodium-plated, fausses cotes decoration, 28 jewels, straight-line lever escapement, Gyromax balance, shock absorber, self-compensating free-sprung Breguet balance spring. Dial, case and movement signed. Diam. 36 mm. Thickness 15 mm.
Grading System:
USD 200,000 - 300,000
CHF 200,000 - 300,000
EUR 135,000 - 200,000
Sold: USD 270,000
C. Two-body, solid, polished and brushed, bezel set with 26 round white diamonds, sapphire crystal. D. Blue with applied white gold baton indexes. Blackened gold baton hands. M. Cal. 16, stamped with the Seal of Geneva quality mark, rhodium-plated, fausses côtes decoration, 20 jewels, straightline lever escapement, Gyromax balance adjusted to heat, cold, isochronism and 5 positions, shock absorber, self-compensating flat balance spring. Dial, case and movement signed. Dim. 18 x 23 mm. Thickness 7 mm. Approx. overall length 170 mm.
Grading System: A
USD 4,000 - 6,000
CHF 4,000 - 6,000
EUR 2,700 - 4,000
Sold: USD 4,440
C. Two-body, solid, polished and brushed, bezel set with 24 round white diamonds, concealed catch to release the springloaded cover set with 37 round blue sapphires, sapphire crystal. D. Textured gold with applied yellow gold and black baton indexes. Blackened gold baton hands. M. Cal. 16, rhodiumplated, fausses cotes decoration, 20 jewels, straight-line lever escapement, Gyromax balance adjusted to heat, cold, isochronism and 5 positions, shock absorber, self-compensating flat balance spring. Dial, case and movement signed. Dim. 21 x 25 mm. Thickness 10 mm. Approx. overall length 170 mm.
Grading System: A
USD 10,000 - 15,000
CHF 10,000 - 15,000
EUR 6,700 - 10,000
Sold: USD 10,200
C. Three-body, solid, polished and brushed, concave bezel, fluted lugs, domed crystal. D. Matte silver with applied yellow gold faceted baton indexes, outer 1/5th seconds track with 5-minute/second Arabic markers, subsidiary dials for the seconds and the 30-minute register, graduation for the date at 6, apertures for the days of the week, the months and the moon phases. Yellow gold feuille hands. M. Cal. 13''', stamped twice with the Seal of Geneva quality mark, rhodium-plated, fausses cotes decoration, 23 jewels, straight-line lever escapement, cut bimetallic balance with 8 adjustments, selfcompensating Breguet balance spring, spring-loaded micrometric regulator. Dial, case and movement signed. Diam. 38 mm. Thickness 14 mm.
Grading System:
USD 300,000 - 400,000
CHF 300,000 - 400,000
EUR 200,000 - 270,000