C. Two-body, solid, polished, overhanging claw lugs, reeded band. D. Two-tone brushed silver with applied yellow gold pyramidal indexes and Roman 12, subsidiary ?guilloché? seconds dial, outer graduation for the date in painted Arabic numerals, apertures for the moon phases, the days of the week and the months in red. Yellow gold "baton" hands, red arrow for the date. M. Cal. V 495, rhodium-plated, "fausses côtes" decoration, 17 jewels, straight-line lever escapement, monometallic balance adjusted to temperatures, self-compensating Breguet balance spring, index regulator. Dial, case and movement signed. Diam. 35 mm. Thickness 11 mm.
Grading System: AAA
CHF 25,000 - 30,000
EUR 16,000 - 20,000
USD 20,000 - 25,000
Sold: CHF 29,500
C. Four-body, "bassine et filets", engine turned and polished, reeded band. Hinged gold cuvette. D. White enamel with narrow radial Roman numerals, outer minute track, large subsidiary seconds at 6, Réaumur thermometer scale in the upper half of the dial with scales for heat and cold, calibrated from -15 to +55, Centigrade scale from -20 to +45, and Fahrenheit from -10 to +120. Blued steel Breguet hands. M. 47 mm., (21???), bar caliber, frosted gilt, steel winding wheel fitted above the going barrel and the intermediate winding wheel fitted on to the central bar plate, polished steel one-minute Henchoztype tourbillon carriage with three equidistant arms, foliate engraved brass rim, Earnshaw's spring detent escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, index regulator arm on the carriage. Dial, movement and case signed. Diam. 56 mm.
Grading System:
CHF 140,000 - 160,000
EUR 90,000 - 100,000
USD 115,000 - 130,000
C. Four-body, "bassine" polished, the front cover with engraved initials. Hinged gold cuvette. D. White enamel, large Breguet numerals, outer minute track, subsidiary seconds. Gold "spade" hands. M. 45 mm. (20???), gilt brass, 32 jewels, straight-line lever escapement, cut bimetallic compensation balance with blued steel Breguet balance spring, index regulator, repeating on four gongs with four hammers activated by a slide on the band. Dial moviment and case numered 3652. Diam. 54 mm.
Grading System:
CHF 35,000 - 45,000
EUR 22,000 - 28,000
USD 28,000 - 37,000
Sold: CHF 59,000
C. Four-body, ?demi-bassine?, solid, polished, rectangular pusher on the band for the split-seconds function, locking bolt at 11 o'clock, concealed hinges. Hinged gold cuvette with dedication. D. White enamel with painted Breguet numerals, outer minute and 1/5 seconds divisions with red Arabic 5-minute/seconds numerals. Blued steel "spade" hands. M. Cal. 16''', maillechort, ?fausses côtes? decoration, 23 jewels, straight-line counterpoised lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, index regulator, repeating activated by a slide on the band. Dial, case and movement signed. Diam. 46 mm.
Grading System: AAA
CHF 33,000 - 38,000
EUR 21,000 - 24,000
USD 27,000 - 30,000
Sold: CHF 35,400
C. Three-body, drum type, polished, stop push-piece at 4 o'clock. D. Heavy, solid, matte silver, bold Arabic numerals, outer minute track, 36-hour power reserve indicator below 12 o'clock, subsidiary seconds. Blued steel "spade" hands. M. 47 mm. (21'''), rhodium-plated, "fausses côtes" decoration, 21 jewels, wolf's tooth winding, straight-line calibrated lever escapement, anibal-brass Guillaume balance with special alloy Breguet balance spring having inner and outer terminal curves, "swan-neck" micrometric regulator. Dial, case and movement signed. Diam. 91 mm.
Grading System: AAA
CHF 7,500 - 9,000
EUR 5,700 - 7,000
Sold: CHF 29,500
C. Two-body, solid, polished and brushed, screwed-down case back, flat bezel, concave lugs, and dust protecting cap. D. Matte silver with applied luminous yellow gold bâton indexes. Luminous gold "dauphine" hands, blued steel center-seconds hand. M. 27-SC, stamped twice with the Geneva Quality Hallmark, rhodium-plated, "fausses côtes" decoration, 18 jewels, straight-line lever escapement, monometallic balance adjusted to heat, cold, isochronism and 5 positions, shock absorber, self-compensating Breguet balance spring, swan-neck micrometer regulator. Dial, case and movement signed. Diam. 35 mm. Thickness 11 mm.
Grading System:
CHF 25,000 - 30,000
EUR 16,000 - 20,000
USD 20,000 - 25,000
Sold: CHF 28,320
C. Four-body, "demi-bassine", solid, polished, hinged gold cuvette. D. Two-tone matte silver and champagne White with painted and applied gold baton indexes, outer Arabic 5-minute/seconds markers, 1/5th seconds chronograph divisions, subsidiary seconds dial and 30-minute register. Yellow gold ?feuille? hands. M. Cal. 16???, rhodium-plated, ?fausses côtes? decoration, 24 jewels, straight-line counterpoised lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, index regulator, button on the winding crown, chronograph with visible work, locking slide in the band. Dial, case and movement signed. Diam. 46 mm. Thickness: 9 mm.
Grading System: AAA
CHF 10,000 - 12,000
EUR 6,500 - 7,500
USD 8,000 - 10,000
Sold: CHF 11,800
C. Three-body, solid, polished and brushed, flat bezel, concave lugs. D. Satiné silver with applied yellow gold bâton and pyramid indexes, Roman numeral at 12, subsidiary seconds dial. Yellow gold baton hands. M. Cal. 12''', stamped with the Geneva Quality Hallmark, rhodium-plated, "fausses côtes" 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. Diam. 35 mm. Thickness: 9 mm.
Grading System: AAA
CHF 25,000 - 30,000
EUR 16,000 - 20,000
USD 20,000 - 25,000
Sold: CHF 28,320
C. Two-body, polished and brushed, screwed-down case back, antimagnetic protecting cap, lapidated bezel, concave lugs. D. Matte silver with applied steel radial Roman numerals and baton indexes, subsidiary seconds dial. Steel "feuille" hands. M. Cal. 12'''-120, rhodium-plated, "fausses côtes" decoration, 21 jewels, straight-line lever escapement, monometallic compensation balance, blued steel Breguet balance spring, micrometer regulator. Dial, case and movement signed. Diam. 35 mm. Thickness 10 mm.
Grading System: AAA
CHF 20,000 - 25,000
EUR 13,000 - 16,000
USD 16,000 - 20,000
Sold: CHF 31,860
C. Three-body, solid, polished and brushed, flat bezel, concave lugs. D. Two tone silver with applied white gold round indexes and Arabic numerals, subsidiary seconds dial, outer minute track. White gold "baton" hands. M. Cal. 12'''-120, rhodium-plated, "fausses côtes" decoration, 18 jewels, straight-line lever escapement, cut bimetallic balance, self-compensating Breguet balance spring, micrometer regulator. Dial, case and movement signed. Diam. 36 mm. Thickness 10 mm.
Grading System:
CHF 65,000 - 85,000
EUR 40,000 - 55,000
USD 53,000 - 70,000
Sold: CHF 70,800
C. Three-body, solid, polished and brushed, concave bezel and lugs. D. Matte silver with applied yellow gold bâton indexes and Arabic numerals, subsidiary seconds and 30-minute - register dials, outer tachometer graduation, concentric, 1/5th second scale and Arabic five second numerals. Yellow gold "feuille" hands. M. 13''', stamped with the Geneva Quality Mark, rhodium-plated, "fausses côtes" decoration, 23 jewels, straightline lever escapement, monometallic balance with 8 adjustments, self-compensating blued steel Breguet balance spring, swan-neck micrometer regulator. Dial, case and movement signed. Diam. 36 mm. Thickness 11 mm.
Grading System:
CHF 180,000 - 220,000
EUR 115,000 - 140,000
USD 145,000 - 180,000
Sold: CHF 204,250
C. Three-body, solid, polished and brushed, concave bezel and lugs. D. Matte silver with applied yellow gold baton indexes, subsidiary seconds and 30-minute register dials, outer tachometer graduation, concentric, 1/5th second scale and inner minute track. Yellow gold "feuille" hands. M. Cal. 13-130, rhodium-plated, "fausses côtes" decoration, 23 jewels, and straight-line lever escapement, cut bimetallic compensation balance adjusted to 8 positions, self-compensating Breguet balance spring, index regulator. Dial, case and movement signed. Diam. 33 mm. Thickness 12 mm.
Grading System: AAA
CHF 50,000 - 70,000
EUR 35,000 - 45,000
USD 40,000 - 55,000
Sold: CHF 51,920
C. Three-body, solid, polished, concave and flat back edge and bezel, fluted curved lugs. D. Matte silver with applied yellow gold Arabic numerals and dot indexes, auxiliary dial for the days of the month, apertures for the days of the week, the months and the moon phases. Yellow gold "feuille" hands. M. Cal. 27-SC Q , stamped with the Geneva Quality Mark, rhodium-plated, "fausses côtes" decoration, 18 jewels, straight-line lever escapement, cut bimetallic balance adjusted to heat, cold, isochronism and 5 positions, shock absorber, Breguet balance spring, micrometer regulator. Dial, case and movement signed. Diam. 37 mm. Thickness 13 mm.
Grading System:
CHF 220,000 - 280,000
EUR 140,000 - 180,000
USD 180,000 - 230,000
Sold: CHF 210,000
C. Three-body, solid, polished and brushed, screwed-down case back, Triplock crown and chronograph pushers, tachometer graduation on the bezel to 200 units per hour. D. Bicolor black and beige with applied square gold indexes and luminous dots, subsidiary "guilloché" black dials for the seconds, 12-hour and 30-minute registers. Luminous gold "baton" hands. M. Cal. 727, rhodium-plated, 17 jewels, straight-line lever escapement, monometallic balance adjusted to 3 positions, shock absorber, self-compensating Breguet balance spring, Microstella regulating screws. Dial, case and movement signed. Diam. 37 mm. Thickness 13 mm. Approx. overall length 185 mm.
Grading System:
CHF 80,000 - 100,000
EUR 50,000 - 65,000
USD 65,000 - 80,000
Sold: CHF 106,200
C. Three-body, solid, polished and brushed, screw-down case back, buttons and crown, tachometer graduation on the gold bezel to 200 units per hour. D. Bicolor champagne and black with applied gold indexes and luminous dots, "guilloché" black subsidiary dials for the seconds, the 12-hour and 30-minute registers, outer 1/5th second scale. Luminous gold "baton" hands. M. Cal. 727, rhodium-plated, 17 jewels, straight-line lever escapement, monometallic balance adjusted to 3 positions, shock absorber, self-compensating Breguet balance spring. Dial, case and movement signed. Diam. 37 mm. Thickness 13 mm.
Grading System:
CHF 80,000 - 100,000
EUR 50,000 - 65,000
USD 65,000 - 80,000
Sold: CHF 94,400
C. Three-body, polished and brushed, screwed-down case back and crown, tachometer graduation on the bezel to 200 units per hour. D. Bicolored off-white and black with luminous square steel indexes, outer white minute/seconds divisions on a black chapter ring, subsidiary dials for the seconds, the 12-hour and 30-minute registers. Luminous steel "baton" hands. M. Cal. 722-1, rhodium-plated, 17 jewels, straight-line lever escapement, free-sprung monometallic balance adjusted to 3 positions, shock absorber, self-compensating Breguet balance spring, Microstella regulating screws. Dial, case and movement signed. Diam. 37 mm. Thickness 14 mm.
Grading System:
CHF 50,000 - 70,000
EUR 32,000 - 45,000
USD 40,000 - 57,000
Sold: CHF 94,400
C. Three-body, polished and brushed, screwed-down case back, buttons and crown, tachometer graduation on the bezel to 200 units per hour. D. Bicolor matte silver and black with square steel indexes and luminous dots, subsidiary black dials for the seconds, the 12-hour and 30-minute registers. Luminous steel ?baton? hands. M. Cal. 727, rhodium-plated, 17 jewels, straight-line lever escapement, monometallic balance adjusted to 3 positions, shock absorber, self-compensating Breguet balance spring, Microstella regulating screws. Dial, case and movement signed. Diam. 37 mm. Thickness 13.5 mm.
Grading System: AAA
CHF 50,000 - 70,000
EUR 32,000 - 45,000
USD 40,000 - 57,000
Sold: CHF 82,600
C. Three-body, polished and brushed, screwed-down case back, buttons and crown, "Triplock" winding-crown protected by the "crown guard", tachometer graduation on the bezel to 400 units per hour, sapphire crystal. D. Bi-colored black and reddish silver with applied luminous steel indexes, subsidiary dials for the seconds, the 12-hour and 30-minute registers. Luminous steel "baton" hands. M. Cal. 4030, rhodium-plated, "oeil-de-perdrix" decoration, 31 jewels, straight-line lever escapement, monometallic balance adjusted to temperatures and 5 positions, shock absorber, self-compensating free-sprung Breguet balance spring, Microstella regulating screws. Dial, case and movement signed. Diam. 40 mm. Thickness 13 mm.
Grading System: AAA
CHF 16,000 - 20,000
EUR 10,000 - 13,000
USD 13,000 - 16,000
Sold: CHF 21,240
C. Three body, solid, polished and brushed, oval downturned lugs. D. Matte silver with applied yellow gold Breguet numerals, subsidiary seconds and 30-minute register. Yellow gold "Feuille" hands. M. 13''' CC, stamped with the Geneva Quality Hallmark, rhodium-plated, ?fausses côtes? decoration, 23 jewels, straight line lever escapement, cut bimetallic balance, 8 adjustments, Breguet balance spring, micrometric regulator. Dial, case and movement signed. Diam. 34 mm. Thickness 11 mm.
Grading System:
CHF 80,000 - 120,000
EUR 50,000 - 75,000
USD 65,000 - 100,000
Sold: CHF 100,300
C. Three-body, solid, polished and brushed, inclined bezel. D. Matte silvered with applied yellow gold baton and square dot indexes, graduation for the days of the month, apertures for the days of the week, the months and moon-phases. Yellow gold "dauphine" hands. M. Cal. 27-460 Q, stamped with the Geneva Quality Mark, rhodium-plated, "fausses côtes" decoration, 37 jewels, straight-line lever escapement, Gyromax balance adjusted to heat, cold, isochronism and five positions, shock absorber, self-compensating free-sprung Breguet balance spring, 18K yellow gold rotor. Dial, case and movement signed. Diam. 38 mm. Thickness 12 mm.
Grading System:
CHF 200,000 - 300,000
EUR 130,000 - 190,000
USD 160,000 - 245,000
Sold: CHF 198,500
C. Three body, "variée carrure plate", polished and brushed. D. Matte silver with applied yellow gold baton indexes, outer minute divisions, aperture for the days of the week, the months and the date, subsidiary seconds with moon phase aperture. Yellow gold "dauphine" hands. M. 17???, rhodium-plated, "fausses côtes" decoration, 29 jewels, counterpoised straight-line lever escapement, mono-metallic balance adjusted to heat, cold, isochronism and five positions, Breguet self compensating balance spring with swan neck micrometer regulator, repeating on gongs activated by a slide in the band. Dial, case and movement signed, dial also signed for Asprey. Diam. 51 mm.
Grading System:
CHF 130,000 - 150,000
EUR 85,000 - 95,000
USD 105,000 - 120,000
Sold: CHF 166,300
C. Three-body, polished and brushed, screwed-down case back and crown, inclined bezel. D. Brown (black) with applied steel dart indexes, luminous dot markers, outer minutes and seconds divisions with fifths of a second divisions, outermost telemeter and tachometer scales, subsidiary dials for the seconds, the 12-hour and 30-minute registers. Luminous steel Alpha hands. M. Cal. 72, 13???, rhodium-plated, 17 jewels, straight-line lever escapement, monometallic balance, self-compensating Breguet balance spring, shock absorber, index regulator. Dial, case and movement signed. Diam. 36 mm. Thickness 14 mm.
Grading System:
CHF 200,000 - 250,000
EUR 130,000 - 160,000
USD 160,000 - 200,000
Sold: CHF 233,000
C. Three-body, polished and brushed, screwed-down case back and crown, case back engraved ?Antarctic Expedition 1986-1987 Sanae 27?. D. Black with luminous Arabic numerals and baton indexes, outer minute/seconds divisions. Luminous "skeleton" hands. M. Cal. 1570, rhodium-plated, 26 jewels, straight-line lever escapement, monometallic balance adjusted to temperatures and 5 positions, shock absorber, self-compensating Breguet balance spring, Microstella regulating screws. Dial, case and movement signed. Diam. 36 mm. Thickness 12.5 mm.
Grading System: AAA
CHF 35,000 - 45,000
EUR 22,000 - 28,000
USD 28,000 - 37,000
C. Three-body, polished and brushed, screwed-down case back and crown, black graduated revolving bezel with arrow showing the zero point. D. White with flinqué honeycomb decoration, and applied steel baton indexes, outer minute/seconds track. Steel dauphine hands. M. Cal. 620, rhodium-plated, ?fausses côtes? decoration, 19 jewels, straight-line lever escapement, Superbalance, self-compensating Breguet balance spring, index regulator. Dial, case and movement signed. Diam. 35 mm. Thickness 12 mm.
Grading System:
CHF 40,000 - 60,000
EUR 25,000 - 38,000
USD 33,000 - 50,000
C. Three-body, polished and brushed. D. Two-tone silver with applied gold Arabic numerals and painted indexes, auxiliary seconds and 30-minute register dials, outer pulsometer graduation for 30 pulsations, concentric, 1/5th seconds graduation, at the center, spiral tachometric scale. Blued steel "feuille" hands. M. Cal. 13''', rhodium-plated, "fausses côtes" decoration, 23 jewels, lever escapement, cut bimetallic balance, Breguet balance spring. Dial, case and movement signed. Diam. 33 mm. Thickness 13 mm.
Grading System:
CHF 90,000 - 130,000
EUR 57,000 - 82,000
USD 75,000 - 105,000
Sold: CHF 187,000
C. Three-body, polished and brushed, sloped bezel, concave lugs. D. Two-tone silver with applied white gold faceted ?baton? indexes, subsidiary seconds and 30-minute register dials, outer minutes and fifths of a second track with Arabic five minute/second numerals, outer tachometer graduation for 1 mile. White gold "baton" hands. M. Cal. 13??? 434 chronographe, rhodium-plated, "fausses côtes" decoration, 21 jewels, straight-line lever escapement, monometallic balance, self-compensating Breguet balance spring, index regulator. Dial, case and movement signed. Diam. 33 mm. Thickness 11.5 mm
Grading System: AAA
CHF 40,000 - 60,000
EUR 25,000 - 38,000
USD 33,000 - 50,000
Sold: CHF 94,400
C. Two-body, solid, polished, screwed-down case back, anti-magnetic dust protecting cap, concave lugs. D. Matte silver with applied yellow gold baton indexes, subsidiary seconds and 30-minute register dials, outer pulsometer scale. Yellow gold "baton" hands. M. Cal. 13''' CC, rhodium-plated, "fausses côtes" decoration, 23 jewels, straight-line lever escapement, monometallic balance with eight adjustments, blued steel Breguet balance spring, micrometer regulator. Dial, case and movement signed. Diam. 35 mm. Thickness 12 mm.
Grading System:
CHF 190,000 - 230,000
EUR 120,000 - 145,000
USD 155,000 - 185,000
Sold: CHF 210,000
C. Three-body, solid, polished and brushed, inclined bezel, lapidated lugs. D. Matte silver with applied yellow gold long Bâton and pyramidal indexes, outer dot minute graduation, graduation 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 Geneva Quality Hallmark, rhodium-plated, "fausses côtes" decoration, 37 jewels, straight-line lever escapement, Gyromax balance adjusted to heat, cold, isochronism and 5 positions, shock absorber, self-compensating free-sprung Breguet balance spring, 18K yellow gold rotor. Dial, case and movement signed. Diam. 37.4 mm. Thickness 12 mm.
Grading System:
CHF 120,000 - 180,000
EUR 75,000 - 115,000
USD 100,000 - 145,000
Sold: CHF 154,800
C. Three body, massive, polished, inclined bezel. D. White porcelain dial with painted radial Roman numerals, auxiliary second dial. "Feuille" blued steel hands. M. Cal. R 27 PS, stamped with the Geneva Quality Mark, rhodium plated, "fausses côtes" decoration, 39 jewels, lever escapement, Giromax balance adjusted for heat, cold isochronism and 5 positions, shock-absorber, free-sprung self-compensating balance-spring, 22K gold rotor, repeating on gongs activated by a slide on the band. Dial, case and movement signed. Diam. 33 mm. Thickness 10 mm.
Grading System:
CHF 320,000 - 360,000
EUR 200,000 - 230,000
USD 260,000 - 300,000
Sold: CHF 345,000
C. Three-body, solid, polished and brushed, concave bezel, fluted lugs, domed crystal. D. Matte silver with applied yellow gold baton indexes, subsidiary dials for the seconds and the 30-minute register, graduation 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. 13'''CC, stamped twice with the Geneva Quality Mark, rhodium-plated, "fausses côtes" decoration, 23 jewels, straight-line lever escapement, monometallic balance with 8 adjustments, self-compensating Breguet balance spring, micrometric regulator. Dial, case and movement signed. Diam. 38 mm. Thickness 13 mm.
Grading System:
CHF 400,000 - 500,000
EUR 255,000 - 320,000
USD 325,000 - 400,000
Sold: CHF 434,600
C. Three-body, polished and brushed, concave bezel. D. Matte silver with applied gold Arabic numerals and dot indexes, subsidiary second and 30 minute register dials, graduation for the days of the month, outer tachometer graduation, apertures for the days of the week, the months and the moon phase. Yellow gold feuille hands. M. 13???, rhodiumplated, "fausses côtes" decoration, 23 jewels, lever escapement, cut bimetallic balance adjusted to 8 positions, self compensating Breguet balance spring, micrometer regulator. Dial, case and movement signed. Diam. 35 mm. Thickness 14 mm.
Grading System:
CHF 250,000 - 300,000
EUR 160,000 - 190,000
USD 200,000 - 245,000
Sold: CHF 311,400
C. Three-body, solid, polished and brushed, hand engraved, revolving reeded bezel bearing the names of 32 places in the world, teardrop lugs. D. Pink silver, with applied pink gold Roman numerals and painted indexes, surrounded by a revolving dial in 24 hours for the nocturnal and diurnal hours. Pink gold fancy hands. M. 12'''-120, rhodium-plated, ?fausses côtes? decoration, 18 jewels, straight-line lever escapement, monometallic balance adjusted for heat, cold, isochronism and 5 positions, self-compensating Breguet balance spring, micrometer regulator. Dial, case and movement signed. Diam. 31 mm. Thickness 9 mm.
Grading System:
CHF 160,000 - 200,000
EUR 100,000 - 130,000
USD 130,000 - 160,000
Sold: CHF 221,500
C. Four-body, "bassine", heavy, polished, curved bezel, the back cover with red and blue champleve enamel monogram, chronograph button in the crown and split seconds button between 10 and 11 o'clock, safety bolt at 11 o'clock. Hinged gold cuvette with engraved presentation inscription. D. White enamel, radial dauphine numerals, outer minute track, outermost fifth of a second chronograph divisions with red painted five-minute/seconds Arabic numerals, three subsidiary dials for days of the week, aperture for the phases of the moon with lunar calendar, days of the week, months, and date (in red) concentric with subsidiary seconds. Blued steel "spade" hands. M. 42.8 mm (19'''), rhodium-plated, "fausses côtes" decoration, 39 jewels, straight-line counterpoised lever escapement, cut bimetallic compensation balance with blued steel Breguet balance spring, index regulator, repeating on two gongs activated by a slide in the band. Dial, case and movement signed. Diam. 53.5 mm.
Grading System:
CHF 240,000 - 300,000
EUR 150,000 - 190,000
USD 195,000 - 245,000
Sold: CHF 345,000
C. Four-body, ?bassine?, polished, concealed hinge. Hinged gold cuvette. D. Brushed silver with applied yellow gold Breguet numerals, outer dot minute divisions, subsidiary seconds. Yellow gold ?Breguet? hands. M. 38 mm., 17???, rhodium-plated, ?fausses côtes? decoration, stamped twice with the Seal of Geneva Quality Mark, 18 jewels, one-minute tourbillon regulator by Hector Golay, polished steel cage and bridge, calibrated lateral lever escapement, Guillaume cut anibal-brass compensation balance adjusted to heat, cold, isochronism and five positions, peripheral temperature and meantime adjustment screws, blued steel Breguet balance spring, index regulator. Dial, case and movement signed. Diam. 48.3 mm.
Grading System:
CHF 200,000 - 250,000
EUR 130,000 - 160,000
USD 165,000 - 200,000
Sold: CHF 221,500