C. Three-body, solid, polished, concave bezel, fluted lugs, transparent screw-down case back, sapphire crystals. D. Satiné silver with applied faceted baton indexes, subsidiary dials for the seconds and the 30-minute register, the days of the month, the 24 hours and the leap year, aperture for the days of the week, the months, and the moon phases. Yellow gold feuille hands. M. Cal. CH 27-70 Q, stamped with the Seal of Geneva Quality Mark, rhodium-plated, fausses côtes decoration, 24 jewels, straight-line lever escapement, free-sprung Gyromax balance adjusted to heat, cold, isochronism and 8 positions, shock-absorber, self-compensating Breguet balance spring. Dial, case and movement signed. Diam. 36 mm. Thickness 13 mm.
Grading System: 
CHF 125,000 - 150,000
EUR 75,000 - 90,000
USD 105,000 - 125,000
C. Three-body, solid, polished, curved bezel, fluted lugs, curved band, coaxial push button in the crown for the split-seconds function, screw-down transparent case back for viewing the movement, sapphire crystals. D. Matte silver with applied large yellow 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 date at 6, apertures for the days of the week, the months and the moon phases. Yellow gold feuille hands. M. Cal. CHR 2-70/150, stamped with the Seal of Geneva Quality Mark, rhodium-plated, fausses côtes decoration, 28 jewels, straight-line lever escapement, Gyromax balance, shock absorber, self-compensating free-sprung Breguet balance-spring. Dial and movement signed. Diam. 36 mm. Thickness: 13 mm.
Grading System:
CHF 180,000 - 220,000
EUR 110,000 - 130,000
USD 150,000 - 185,000
Sold: CHF 210,000
C. Two-body, solid, polished, stepped sides, transparent case back with 4 screws, ?Top Wesselton? diamond set between the lugs at 6. D. Salmoncolored with applied black blackened gold Breguet numerals, subsidiary seconds dial. Black blackened gold Breguet hands. M. Cal. TO 28- 20/222, rectangular, stamped with the Seal of Geneva Quality Mark, rhodium-plated, fausses côtes decoration, 29 jewels, 6 of which are set in gold chatons, lateral lever escapement with one-minute tourbillon regulator with A-shaped cage under a polished steel bridge, Gyromax balance adjusted to heat, cold, isochronism and 5 positions, shock absorber, self-compensating freesprung Breguet balance spring. Dial and movement signed. Dim. 30 x 52 mm. Thickness 12 mm.
Grading System:
CHF 250,000 - 300,000
EUR 150,000 - 195,000
USD 210,000 - 250,000
C. Three-body, solid, polished, stepped bezel, case band embossed with ?Calatrava? pattern, concave lugs, transparent screw-down case back, sapphire crystals. The crown at 2 adjusts the time and winds the watch; the one at 4 adjusts the sky, lunar orbit and moon phases. D. Blue sky chart with gold star constellations and North/South/ East/West divisions, made from 3 superimposed sapphire crystal disks, outer divisions to adjust moon phases and sky, outermost Roman hour graduations, aperture for the moon phases. White skeletonized feuille hands. M. Cal. 240 LU CL, stamped with the Seal of Geneva Quality Mark, rhodium-plated, fausses côtes decoration, 45 jewels, straight-line lever escapement, Gyromax balance adjusted to heat, cold, isochronism and 5 positions, shock absorber, selfcompen- sating free-sprung flat balance spring, 18K yellow gold micro-rotor. Dial and movement signed. Diam. 43,10 mm. Thickness 10 mm.
Grading System:
CHF 170,000 - 210,000
EUR 100,000 - 125,000
USD 140,000 - 175,000
Sold: CHF 210,000
C. Three-body, polished and brushed, dedicated screw-down case back and crown, polished bezel. D. Matte silver with applied steel double dart indexes and luminous dots, outer minute/seconds divisions. Luminous steel alpha hands. M. Cal. 1520, rhodium-plated, 26 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating Breguet balance spring. Dial, case and movement signed. Diam. 34 mm. Thickness 11 mm. Approx. overall lenght 190 mm.
Grading System: A
CHF 2,500 - 3,500
EUR 1,500 - 2,000
USD 2,000 - 3,000
Sold: CHF 5,900
C. Two-body, solid, polished and brushed, screwed-down case back and crown. D. Black with applied gold baton, luminous dart and luminous dot indexes, outer gold minute/seconds track. Luminous gold dauphine hands. M. Cal. 10 1/2''', coppercolored, 18 jewels, straight lever escapement, Superbalance, self-compensating Breguet balance spring. Dial, case and movement signed. Diam. 36 mm. Thickness 12 mm.
Grading System: AA
CHF 12,000 - 15,000
EUR 7,000 - 9,000
USD 10,000 - 13,000
Sold: CHF 14,160
C. Three-body, polished and brushed, screwed-down case back and crown, hooded lugs. D. Black with applied luminous Roman numerals in the upper half and Arabic numerals on the lower half, dart and baton indexes for the quarters. Luminous yellow gold skeleton hands. M. Cal. 11 3/4''', rhodium-plated, 17 jewels, straight line lever escapement, monometallic balance, Breguet balance spring. Dial, case and movement signed. Diam. 32 mm. Thickness 14 mm. Approx. overall lenght 200 mm.
Grading System: AA
CHF 20,000 - 30,000
EUR 12,000 - 18,000
USD 17,000 - 25,000
Sold: CHF 22,420
C. Three-body, polished and brushed, screwed-down case back and crown, the back engraved ?R. G. Holloway P/064195?, graduated revolving black bezel for the decompression times. D. Black ?exclamation?, with luminous round, triangular and baton indexes, outer minute/seconds divisions. Luminous stainless steel "skeleton" hands. M. Cal. 1530, rhodium-plated, 26 jewels, straight-line lever escapement, monometallic balance, Microstella regulating screws, shock absorber, self-compensating Breguet balance spring, index regulator. Dial, case and movement signed. Diam. 38.5 mm. Thickness 13 mm.
Grading System:
CHF 48,000 - 58,000
EUR 30,000 - 35,000
USD 40,000 - 50,000
C. Three-body, polished and brushed, screw-down case back with COMEX inscription and case number stamped inside, screwdown crown with Crown Guard, graduated bi-directional revolving black bezel for the decompression times, helium escape valve. D. Black with luminous round, triangular and baton indexes. Luminous skeleton hands. M. Cal. 1520, rhodium-plated, 26 jewels, straight-line lever escapement, monometallic balance, shock-absorber, self-compensating flat balance spring. Dial, case and movement signed. Diam. 40 mm. Thickness 14 mm.
Grading System: AAA
CHF 30,000 - 40,000
EUR 18,000 - 25,000
USD 25,000 - 35,000
Sold: CHF 35,400
C. Four-body, bassine, polished, back cover engraved with the watch issue number. Hinged silver steel cuvette. D. Brushed silvered with painted black Arabic numerals, outer minute track, large subsidiary seconds at 3, power reserve indication at 9. Blued steel spade hands. M. 47 mm., 21''', frosted gilt, three-quarter plate, 17-jewels, straight-line lever escapement with lateral banking extension on the entry pallet, anibal brass Guillaume balance, blued steel Breguet balance spring with patent stud fastening, swan-neck micrometer adjustment to the regulator. Case, cuvette and movement signed. Diam. 60 mm.
Grading System: A
CHF 3,500 - 5,000
EUR 2,100 - 3,000
USD 3,000 - 4,200
Sold: CHF 5,900
C. Four-body, ?bassine?, polished. Hinged cuvette. D. White enamel, bold upright Arabic numerals, outer minute track, large subsidiary seconds. Blued steel spade hands. M. Cal. 22??? 73, rhodium-plated, fausses côtes decoration, 19 jewels, wolf's tooth winding, straight-line lever escapement, cut bi-metallic compensation balance, blued steel Breguet balancespring, swan-neck micrometer regulator. Dial, case and movement signed. Diam. 59 mm.
Grading System: AA
CHF 5,500 - 6,500
EUR 3,300 - 4,000
USD 4,500 - 5,500
Sold: CHF 6,490
C. Four-body, bassine et filets, both covers decorated in translucent Imperial blue enamel over wavy-line engineturning, the front painted with a portrait of a young lady, the back cover decorated with a flower bouquet, pearl-set bezels. Hinged gold cuvette. D. Silvered, radial Roman numerals, outer minute track, subsidiary seconds. Blued steel spade hands. M. 39 mm., 17???, rhodium-plated, straight-line lever escapement, cut bimetallic compensation balance with blued steel Breguet balance spring, index regulator, repeating on gongs activated by a slide on the band. Dial and case signed Vulcain, cuvette ?VOLTA? (Ditisheim?s trademark registered in 1896). Diam. 47 mm.
Grading System: A
CHF 10,000 - 12,000
EUR 6,500 - 7,000
USD 8,000 - 10,000
Sold: CHF 16,520
C. Four-body, bassine et filets with split pearl-set bezels, the band with translucent green champlevé enameled decoration and gold stylized leaves, the back panel decorated with a polychrome enamel scene of two ladies, one playing a mandolin, in a rustic landscape against a translucent green guilloché enamel ground. Hinged gold cuvette, the border engraved with foliate decoration. D. White enamel with radial Roman numerals, outer minute track and fifths of a second chronograph divisions, Arabic five minute/seconds numerals, subsidiary seconds. Gilt brass paste-set hands. M. 19???, gilt brass, 23 jewels, straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, repeating on gongs activated by a button in the band, centrifugal governor, chronograph with visible work, button on the winding crown. Diam. 53 mm.
Grading System: AA
CHF 15,000 - 18,000
EUR 9,000 - 11,000
USD 13,000 - 15,000
Sold: CHF 25,960
C. Four-body, ?Empire?, No. 2421, the bezels, pendant and bow decorated with alternating split pearls and turquoises, the band decorated to match, the back cover set with a finely painted polychrome enamel panel depicting a gentleman taking leave of his two daughters. Hinged gold cuvette decorated with opaque pale blue champleve enamel and gold foliage, apertures for the going and musical trains. D. Gold with radial polished Roman numerals, outer dot minute divisions, engine-turned center. Blued steel serpentine hands. M. 50 mm., gilt, standing barrels for the going and musical trains, cylinder escapement, three-arm balance with polished steel endplate, blued steel flat balance spring, index regulator, repeating on gongs activated by depressing the pendant, sur plateau musical movement with 23 tuned blued steel teeth playing on both sides of the pinned disc, silence lever protruding from the edge of the cuvette, bolt to activate the music on the band. Case stamped with the casemaker?s mark ?F.O?, movement numbered 695. Diam. 58 mm.
Grading System: AAA
CHF 60,000 - 80,000
EUR 35,000 - 50,000
USD 50,000 - 65,000
Sold: CHF 73,160
C. Three-body, ?Empire?, hinged seed pearl-set bezels, the band decorated with white, black, blue and gold champlevé enamel and "Gage d'Amitie", glazed hinged back with seed pearl-set border, finely painted Geneva enamel and engraved gold alpine scene of figures walking along a track, engraved gold windmill and tree with blue paillon detail, the windmill with rotating sails directly driven from the contrate wheel pivot. D. White enamel, Breguet numerals, outer gold painted minute track, winding aperture at 11 o'clock. Gold Breguet hands. M. 40 mm., frosted gilt full plate with flared turned pillars, fusee and chain, verge escapement with micrometric potence adjustment, three-arm brass balance, flat balance spring, the upper pivot of the contrate wheel extended through the back of the case to power the windmill sails, pierced and chased continental balance cock, polished steel endplate, silver regulator dial. Movement signed. Diam. 47 mm.
Grading System: AA
CHF 18,000 - 23,000
EUR 11,000 - 14,000
USD 15,000 - 20,000
Sold: CHF 30,680
C. Two-body, Directoire, the bezel decorated with white and blue enamel and silver and blue paillons in a repeating pattern, polished band, the back decorated with a finely painted polychrome enamel scene of a young lady seated in a garden making a rose garland, royal blue translucent enamel background over sunray engine-turning, gold, silver and blue paillon and enamel border. D. White enamel with upright Arabic numerals, outer dot minute divisions, Arabic quarter-hour numerals, winding arbour at 2. Gold fluted fleur-de-lys hands. M. 44 mm., frosted gilt, full plate, conical pillars, fusee and chain, verge escapement with micrometric potence adjustment, three-arm brass balance, blued steel flat balance spring, continental-type balance cock, polished steel endplate, silvered regulation dial. Diam. 50 mm.
Grading System: AA
CHF 15,000 - 18,000
EUR 9,000 - 11,000
USD 13,000 - 15,000
C. Two-body, ?Directoire?, polished band, seed pearl-set bezels, the back cover set with a finely painted polychrme enamel panel depicting a mother and child by a crib in a classical landscape, a baby on her knee, translucent royal blue enamel background over sunray engine-turning, blue paillon and white enamel dot border. D. White enamel with Arabic numerals, outer star minute divisions and Arabic quarter-hour numerals. Pierced gold hands. M. 41 mm., frosted gilt, crescent-shaped backplate with two bells sunk into the movement, flared cylindrical pillars, going barrel beneath the bells, virgule escapement, three-arm balance between the dial and dial plate, flat blued steel balance spring, wheel and arbor regulator, repeating with two hammers on two bells activated by depressing the pendant. Dial signed. Bell scratch-signed: Chenevière. Diam. 51 mm.
Grading System: AA
CHF 9,000 - 12,000
EUR 5,500 - 7,000
USD 7,500 - 10,000
Sold: CHF 12,980
C. Two-body, ?Directoire?, the bezel decorated with white and blue champleve enamel in a geometric pattern, polished band, the back decorated with a finely painted polychrome enamel scene of a young couple in a formal garden, he seated holding a guitar, split-pearl-set border, the surround decorated with engraved gold drapes, red and blue translucent enamel, flowers and a pair of doves above. D. White enamel with Breguet numerals, outer minute track, winding arbour at 2. Gold pierced ?urn? hands. M. 39 mm., frosted gilt, full plate, fusee and chain, verge escapement with micrometric potence adjustment, three-arm brass balance, blued steel flat balance spring, continental-type balance cock, polished steel endplate, silvered regulation dial. Diam. 50 mm.
Grading System: AA
CHF 18,000 - 22,000
EUR 11,000 - 13,000
USD 15,000 - 18,000
Sold: CHF 18,880
C. Two-body, bassine, curved edge, polychrome enamel scene with a nude reclining Danaë in the foreground and a servant in the background, catching gold in a cloak as golden rain falls from the sky, the inside painted with lakeside ruins and a passing traveler, four vignettes on the band with rural landscapes, bezel with engraved stylized leaves, loose ring pendant. D. Enamel on gold, radial Roman hour chapter on white enamel annular ring, the center painted on enamel depicting Diana and her dog. Steel poker hand. M. 32.7 mm. gilded, hinged full plate, fusee and cat-gut, short three-wheel train, circular steel foliot, irregular pierced and engraved cock secured by a screw, ratchet-wheel mainspring set-up with pierced and engraved gilt brass elaborate click. Movement signed. Diam. 39 mm.
Grading System: A
CHF 15,000 - 18,000
EUR 9,000 - 11,000
USD 13,000 - 15,000
Sold: CHF 17,700
C. Four-body, ?forme collier?, No. 654 by master casemaker Amy Gros, back and band engine-turned, polished bezel and border. Hinged gold cuvette. D. White enamel, No. 121 by master dial maker Borel, secured by a blued steel screw, secret signature below 12, Breguet numerals, outer minute track. Blued steel Breguet hands. M. 52 mm (23'''), gilt, bridge caliber with hanging barrel, jeweled to the center, overhanging ruby cylinder escapement, three-arm brass balance, blued steel flat balance spring with bimetallic compensation curb on the index regulator, pare-chute shockpreventing device on the upper pivot, Breguet-type all-or-nothing repeating system with vertical lifters, repeating by single hammer on gold block in the case activated by a pull-and-twist piston in the band at 1 o?clock. Dial and case signed, movement numbered on the dial plate. Diam. 55 mm.
Grading System:
CHF 60,000 - 80,000
EUR 35,000 - 50,000
USD 50,000 - 65,000