C. Four-body, solid, polished and brushed, hinged case back and cuvette. D. Two-tone silver with applied yellow gold Arabic numerals, round and baton indexes, outer minute track, subsidiary seconds dial. Yellow gold alpha hands. M. Cal. 921, rhodium-plated, 21 jewels, straight-line lever escapement, monometallic balance with 5 adjustments, Breguet balance spring, micrometer regulator. Dial, case and movement signed. Diam. 45 mm. Thickness 9 mm.
Grading System: AA
USD 1,000 - 1,500
CHF 900 - 1,400
EUR 800 - 1,200
Sold: USD 575
C. Two-body, polished, bezel decorated with Masonic chain symbol, case back decorated with Masonic symbols centered by an alter and the image of the sun, case bottom engraved with 3 patent numbers. D. Triangular, satine silver with gold painted Masonic symbols for the numerals, outer minute track. Blued steel arrow and spade hands. M. Cal. 13???, rhodium-plated, 15 jewels, straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring. Movement signed. Dim. 56 x 63 mm. Thickness 20 mm.
Grading System: A
USD 3,000 - 4,000
CHF 2,800 - 3,700
EUR 2,300 - 3,000
C. Two-body, bassine, polished, narrow inclined bezel, fl uted band. D. Champagne with applied yellow gold Roman numerals, painted Arabic numerals, 24-hour indication, outer minute track. Yellow gold epee hands. M. Cal. 38 mm, stamped with the Seal of Geneva quality mark, rhodium plated, fausses cotes decoration, 18 jewels, straight-line lever escapement, cut bimetallic compensation balance adjusted to 2 positions, blued steel Breguet balance spring, swan neck micrometer regulator. Dial and movement signed, case numbered. Diam. 56 mm. Thickness 11 mm.
Grading System: AA
USD 2,500 - 3,500
CHF 2,300 - 3,300
EUR 2,000 - 2,700
C. Three-body, solid, polished, case back with dedication dated 1931. D. Matte silver with painted Breguet numerals, outer minute track. Blued steel cathedral hands. M. Cal. 16???, rhodium-plated, fausses côtes decoration, 18 jewels, straight-line lever escapement, cut bimetallic compensation balance, blued steel fl at balance spring, index regulator. Dial and movement signed. Diam. 43 mm. Thickness 6 mm.
Grading System: AA
USD 4,500 - 6,500
CHF 4,200 - 6,000
EUR 3,500 - 5,000
Sold: USD 5,250
C. Four-body, demi-bassine, solid, polished, hinged case back with engraved monogram, hinged bezel and engraved cuvette. D. White enamel with painted radial Roman numerals, outer black minute track with 5-minute Arabic markers. Blued steel double spade hands. M. Cal. 6 3/4''', rhodium-plated, 10 jewels, cylinder escapement, monometallic 3-arm brass balance, fl at balance spring. Dial, case and movement signed. Diam. 21 mm. Thickness: 7 mm.
Grading System: AA
USD 1,800 - 2,400
CHF 1,700 - 2,200
EUR 1,400 - 2,000
Sold: USD 2,250
C. Rectangular, polished, engraved decoration bordered by black enamel inlay, fl uted sides, ring suspension loop. D. Black with applied yellow Arabic numerals, outer dot minute divisions. Yellow gold cathedral hands. M. Rhodium-plated, fausses cotes decoration, 15 jewels, straight-line lever escapement, bimetallic compensation balance, Breguet balance spring, Patented Ermeto winding device by means of the sliding case. Dial and movement signed. Dim. 71 x 33 mm. (opened)
Grading System: AA
USD 1,000 - 1,500
CHF 900 - 1,400
EUR 800 - 1,200
Sold: USD 3,000
C. Three-body, polished and brushed, fl uted bezel, screw down case back and crown, crystal with cyclops lens. D. Champagne with applied yellow gold faceted baton indexes, outer minute/seconds divisions, apertures for the day of the week and date. Yellow gold baton hands. M. Cal. 1556, rhodium-plated, oeil-de-perdrix decoration, 26 jewels, straight-line lever escapement, monometallic balance adjusted to 5 positions and temperature, shock absorber, self-compensating free-sprung Breguet balance spring, Microstella regulating screws. Dial, case and movement signed. Diam. 36 mm. Thickness 13 mm
Grading System: AA
USD 4,000 - 6,000
CHF 3,700 - 5,600
EUR 3,000 - 4,700
C. Three-body, polished and brushed, polished inclined bezel, screw down case back and crown. D. Matte silver with applied pink gold dart and round indexes, outer minute divisions. Pink gold feuille hands. M. Cal. 9 3/4???, rhodium-plated, straight-line lever escapement, monometallic balance, self-compensating Breguet balance spring. Dial, case and movement signed. Diam. 32 mm. Thickness 13 mm.
Grading System: AA
USD 4,000 - 6,000
CHF 3,700 - 5,600
EUR 3,000 - 4,700
Sold: USD 6,500
C. Three-body, polished and brushed, polished inclined bezel, screw down case back and crown. D. Satine silver with applied yellow gold baton indexes, outer minute divisions. Yellow gold alpha hands. M. Cal. 9 3/4???, rhodium-plated, straight-line lever escapement, monometallic balance, self-compensating Breguet balance spring. Dial, case and movement signed. Diam. 32 mm. Thickness 13 mm.
Grading System: AA
USD 2,000 - 3,000
CHF 1,800 - 2,800
EUR 1,600 - 2,300
Sold: USD 3,500
C. Three-body, solid, polished and brushed, fl uted bezel, screw down case back and crown, crystal with cyclops lens. D. Satine silver with applied yellow gold and black inlay baton indexes, outer minute/ seconds track with 5-minute/seconds Arabic markers, apertures for the day and the date. Luminous yellow gold baton hands. M. Cal. 1055, rhodium-plated, oeil-de-perdrix decoration, 25 jewels, straight-line lever escapement, monometallic balance adjusted to temperatures and 5 positions, shock absorber, self-compensating free-sprung Breguet balance spring. Dial, case, and movement signed. Diam. 36 mm. Thickness 13 mm.
Grading System: AA
USD 5,000 - 7,000
CHF 4,700 - 6,500
EUR 4,000 - 5,500
Sold: USD 9,375
C. Three-body, polished and brushed, screw down case back and crown, inclined bezel, crystal with cyclops lens, case back with engraved initials: J.G.R. D. Champagne with applied yellow gold baton indexes and luminous dots, outer minute/seconds divisions, aperture for the date. Luminous yellow gold baton hands. M. Cal. 1560, rhodium-plated, 26 jewels, straight-line lever escapement, monometallic balance adjusted to temperatures and 5 positions, shock absorber, self-compensating freesprung fl at balance spring, Microstella regulating screws. Dial, case and movement signed. Diam. 34 mm. Thickness 12 mm. Approx. 205 mm.
Grading System: AA
USD 4,500 - 6,500
CHF 4,200 - 6,000
EUR 3,500 - 5,000
Sold: USD 6,875
C. Two-body, polished and brushed, sapphire crystal. D. Anthracite with horizontal stripes and applied luminous steel baton indexes, aperture for the date. Luminous steel baton hands. M. Cal. E 23 SC, 7 jewels, with quartz standardization. Dial, case and movement signed. Diam. 32 mm. Thickness 7 mm. Approx. overall length: 175 mm.
Grading System: AA
USD 4,000 - 6,000
CHF 3,700 - 5,600
EUR 3,000 - 4,700
Sold: USD 6,000
C. Two-body, polished and brushed, sapphire crystal. D. Faded blue with horizontal stripes and applied luminous steel baton indexes, aperture for the date. M. Cal. 335 SC, rhodium-plated, fausses cotes decoration, 29 jewels, straight-line lever escapement, monometallic balance adjusted to heat, cold, isochronism and fi ve positions, shock absorber, self-compensating fl at balance spring, index regulator. Dial, case and movement signed. Dim. 37 x 39 mm. Thickness 7 mm. Approx overall length 180 mm plus 4 links.
Grading System: AA
USD 6,000 - 8,000
CHF 5,600 - 7,500
EUR 4,700 - 6,000
Sold: USD 12,500
C. Two-body, polished and brushed, screw down case back and crown, ridged graduated bezel, sapphire crystal. D. Satine Silver with applied luminous white gold Roman numerals, concentric seconds track with 5-seconds Arabic markers, aperture for the date. Luminous white gold feuille hands. M. Cal. 315/190, stamped with the Seal of Geneva quality mark, rhodium-plated, fausses cotes decoration, 30 jewels, straight-line lever escapement, Gyromax balance, selfcompensating free-sprung fl at balance spring, gold rotor. Dial, case and movement signed. Diam. 36 mm. Thickness 8 mm. Approx. overall length 175 mm.
Grading System: AA
USD 4,000 - 6,000
CHF 3,700 - 5,600
EUR 3,000 - 4,700
Sold: USD 7,500
C. Two-body, polished and brushed, wide rounded bezel, screw down transparent case back, correctors on the band, protected screwed-down winding crown, sapphire crystals. D. Black with white painted radial Arabic numerals and luminous square indexes, outer minute track, subsidiary dials for the seconds at 4, the days of the month at 7, sector for the up-and-down power reserve indication between 10 and 11, aperture for the moon phases. Luminous white baton hands. M. Cal. 240/164, stamped with the Seal of Geneva quality mark, rhodium-plated, fausses cotes decoration, 29 jewels, straight-line lever escapement, Gyromax balance, shock absorber, self-compensating free-sprung fl at balance spring, 22K gold micro-rotor mounted on ball bearings. Dial, case and movement signed. Diam. 37 mm. Thickness 10 mm. Approx. overall length 185 plus 2 links.
Grading System: AA
USD 8,000 - 12,000
CHF 7,500 - 11,000
EUR 6,000 - 9,000
Sold: USD 17,500
C. Two-body, solid, polished, stepped bezel, concave and curved lugs, correctors on the band, transparent screw down case back, sapphire crystals. D. Two-tone silver with applied pink gold Arabic numerals and dart indexes on a plain reserve, 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. Pink gold dauphine hands. M. Cal. 324/206, 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 freesprung fl at balance spring, 21K gold rotor. Dial, case and movement signed. Dim. 38 x 51 mm. Thickness 12 mm.
Grading System: AAA
USD 25,000 - 35,000
CHF 23,000 - 33,000
EUR 20,000 - 27,000
Sold: USD 35,000
C. Two-body, solid, polished, concave bezel and lugs, Top Wesselton diamond set between the lugs at 6, correctors in the band, screw-down transparent case back, sapphire crystals. D. Anthracite with applied white gold faceted baton indexes and luminous dots, outer minute and 1/5th seconds divisions, guilloche silver 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 freesprung 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 45,000 - 65,000
CHF 42,000 - 60,000
EUR 35,000 - 50,000
Sold: USD 62,500
C. Three-body, solid, polished, concave bezel, curved and fl uted lugs, transparent screwed-down case back, sapphire crystals. D. Matte silver with applied pink 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, minute/seconds track and tachometer scale, outer 1/5th seconds track, apertures for the days of the week, the months and the moon phases. Pink 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 - 140,000
CHF 85,000 - 130,000
EUR 70,000 - 110,000
Sold: USD 122,500
C. Two-body, solid, polished and brushed, straight lugs with screwed bars, transparent case back with four screws, set with a Top Wesselton diamond between the lugs at 6, sapphire crystals. D. Guilloché two-tone silver with painted black radial Breguet numerals on a plain reserve, outer minute track. Oxidized gold double spade hands. M. Cal. 25-21/176, rectangular, rhodium-plated, stamped with the Seal of Geneva quality mark, 18 jewels, fausses cotes decoration, straight-line lever escapement, Gyromax balance, adjusted to heat, cold, isochronism and 5 positions, shock absorber, self-compensating free-sprung fl at balance spring. Dial, case and movement signed. Dim. 32 x 42 mm. Thickness 10 mm.
Grading System: AAA
USD 15,000 - 25,000
CHF 14,000 - 23,000
EUR 12,000 - 20,000
Sold: USD 32,500
C. Two-body, polished, inclined bezel, concave lugs, transparent case back with 4 screws, winding crown setting both time zone hands, sapphire crystals. D. Black with applied white gold dart indexes, Arabic quarter-hour numerals and luminous dots, outer minute divisions, subsidiary guilloche seconds dial, aperture for the date at 4, sector for the day and night indication with sun and moon hand. Luminous faceted white gold alpha hands, skeletonized hour hand for the second time zone. M. Cal. 975, rhodium plated, fausses cotes decoration, 29 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating fl at balance spring, central rotor with 22K gold segment, hack mechanism. Dial, case and movement signed. Diam. 40 mm. Thickness 11 mm.
Grading System: AAA
USD 7,000 - 10,000
CHF 6,500 - 9,500
EUR 5,500 - 8,000
Sold: USD 12,500