C. Two-body, solid, polished, stepped bezel, straight lugs, snap-on case back with dedication inscription. D. Matte silver, divided into 8 sectors by slender black lines, applied yellow gold baton indexes and outer dot minute divisions. Yellow gold baton hands. M. Cal. 27-SC, stamped with the Geneva Quality Mark, rhodiumplated, 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. 34 mm. Thickness 10 mm.
Grading System: A
CHF 17,000 - 22,000
EUR 10,000 - 13,000
USD 14,000 - 18,000
Sold: CHF 18,880
C. Two-body, polished and brushed, hooded lugs, bombé crystal. D. Matte silver with applied white gold baton and dot indexes, subsidiary seconds dial. White gold baton hands. M. Cal. 9'''-90, tonneau, rhodium-plated, fausses côtes decoration, 18 jewels, straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, micrometer regulator. Dial, case and movement signed. Dim. 25 x 38 mm. Thickness 10 mm.
Grading System: AAA
CHF 20,000 - 25,000
EUR 12,000 - 15,000
USD 17,000 - 20,000
Sold: CHF 30,680
C. Two-body, solid, polished, stepped bezel, screwed-down case back with dedication inscription, concave lugs. D. Matte silver with applied yellow gold faceted baton indexes, subsidiary seconds dial. Yellow gold dauphine hands. M. Cal. 12-600 AT, stamped with the Geneva Quality Mark, rhodium-plated, fausses côtes decoration, 30 jewels, straight line lever escapement, Gyromax balance adjusted to heat, cold, isochronism and 5 positions, shock absorber, self-compensating free-sprung Breguet balance spring, swan-neck micrometer regulator, 18K gold rotor. Dial, case and movement signed. Diam. 36 mm. Thickness 11 mm.
Grading System: AA
CHF 21,000 - 26,000
EUR 13,000 - 16,000
USD 18,000 - 22,000
Sold: CHF 21,830
C. Two-body, solid, polished and brushed, concave bezel, fluted curved lugs. D. Matte silver with applied yellow gold baton and dart indexes, Arabic numeral for the 12, outer minute divisions, subsidiary dial for the seconds. Yellow gold feuille hands. M. Cal. 12???400, stamped with the Seal of Geneva Quality Mark, rhodium-plated, fausses côtes decoration, 18 jewels, straightline lever escapement, monometallic balance adjusted for 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
CHF 7,000 - 9,000
EUR 4,200 - 5,500
USD 6,000 - 7,500
Sold: CHF 11,800
C. Two-body, solid, polished and brushed, inclined bezel, straight curved lugs. D. Brushed silver with applied yellow gold dart and faceted lozenge indexes, outer minute divisions, subsidiary seconds dial. Yellow gold dauphine hands. M. Cal. 10???200, rhodium-plated, fausses côtes decoration, 18 jewels, straight-line lever escapement, monometallic balance adjusted to heat, cold, isochronism and 5 positions, blued steel Breguet balance spring, swan-neck micrometer regulator. Dial, case and movement signed. Diam. 33 mm. Thickness 8 mm.
Grading System: AA
CHF 4,500 - 5,500
EUR 2,700 - 3,300
USD 3,800 - 4,600
Sold: CHF 6,608
C. Three body, solid, polished, oval downturned lugs. D. Three-tone with applied pink gold baton indexes and Roman half-hour numerals, outer minutes and fifths of a second track, outermost silver tachometer graduation, subsidiary seconds and 30- minute register. Pink gold baton hands. M. 13''', stamped with the Seal of Geneva Quality Mark, rhodium-plated, fausses côtes decoration, 23 jewels, straight-line lever escapement, cut bimetallic compensation balance with 8 adjustments, blued steel Breguet balance spring, swan-neck micrometer regulator. Dial, case and movement signed. Diam. 34 mm. Thickness 11 mm.
Grading System: AA
CHF 60,000 - 80,000
EUR 35,000 - 50,000
USD 50,000 - 67,000
Sold: CHF 73,160
C. Two-body, polished and brushed, sapphire crystal. D. Bronzestardust black with horizontal stripes, applied luminous steel baton indexes, dot minute divisions, aperture for the date. Luminous steel baton hands. M. Cal. 28-255 C, stamped with the Seal of Geneva Quality Mark, rhodium-plated, fausses côtes decoration, 36 jewels, straight-line lever escapement, Glucydur Gyromax balance adjusted to heat, cold, isochronism and 5 positions, shock absorber, self-compensating free-sprung flat balance spring, 21K gold rotor segment. Dial, case and movement signed. Dim. 42 x 44 mm. Thickness 7.5 mm.
Grading System: AAA
CHF 30,000 - 40,000
EUR 18,000 - 25,000
USD 25,000 - 35,000
Sold: CHF 35,400
C. Two-body, solid, polished, rounded bezel, screwed-down flat case back, concave lugs. D. Off-white enamel with applied pink gold faceted baton indexes, outer dot minute divisions, subsidiary seconds dial. Pink gold dauphine hands. M. Cal. 12'''-600 AT, stamped with the Seal of Geneva Quality Mark, rhodium-plated, fausses-côtes decoration, 30 jewels, straight-line lever escapement, Gyromax balance adjusted to heat, cold, isochronism and 5 positions, shock absorber, self-compensating Breguet balance-spring, swan neck micrometer regulator, 18K guilloché yellow gold rotor. Dial, case, and movement signed. Diam. 35 mm. Thickness 12 mm. Approx. overall length 185 mm.
Grading System: 
CHF 150,000 - 180,000
EUR 90,000 - 110,000
USD 125,000 - 150,000
C. Three-body, polished, stepped flat bezel, concealed lugs. D. Matte silvered with painted baton indexes and Arabic quarterhour numerals. Blued steel Breguet hands. M. 8???, signed European Watch & Clock Co., Inc., rhodium-plated, fausses-côtes decoration, 18 jewels, straight line lever escapement, cut bimetallic compensation balance, blued steel flat balancespring, index regulator. Case, dial and movement signed. Diam 30 mm. Thickness 6 mm.
Grading System: A
CHF 4,000 - 5,000
EUR 2,500 - 3,000
USD 3,500 - 4,200
Sold: CHF 4,484
C. Three-body, polished, the back with engraved monogram, front with aperture for two gold shutters revealing the dial by pressing the button at 6 o?clock. D. Matte champagne, Breguet numerals, outer minute track. Black steel spade hands. M. 38 mm., 17''', rhodium-plated, fausses côtes decoration, stamped with the Seal of Geneva Quality Mark, 18 jewels, straight-line lever escapement, cut bimetallic compensation balance with 8 adjustments, blued steel flat balance spring, index regulator. Dial signed Cartier, case and movement signed Haas. Diam. 45 mm.
Grading System: AA
CHF 2,000 - 3,000
EUR 1,200 - 1,800
USD 1,700 - 2,500
Sold: CHF 5,310
C. Two-piece, ?couteau?, polished with eccentric aperture for the mystery hands with brushed chapter ring with champlevé Roman numerals, inner minute track, triangular swivel bow. D. Transparent sapphire crystals. Blued steel Breguet hands. M. Square with canted corners, 34 x 34 mm, rhodium-plated, fausses-côtes decoration, 17 jewels, straight-line lever escapement, monometallic balance with self-compensating flat balance spring, Incablock shock absorber on both balance pivots, aperture below the train for sapphire discs holding the hands. Case and movement signed. Diam. 50 mm.
Grading System: AAA
CHF 20,000 - 30,000
EUR 12,000 - 18,000
USD 17,000 - 25,000
Sold: CHF 47,200
C. Four-body, ?bassine?, polished, the back cover with concealed hinge. Hinged gold cuvette. D. Matte gilt, champlevé Breguet numerals, outer minute track, subsidiary seconds, engine-turned center. Blued steel Breguet hands. M. 17???, rhodium-plated, inscribed ?Grand Prix, Paris 1900?, 31 jewels, straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, swan-neck micrometer regulator, repeating on gongs activated by a slide on the band. Dial and case signed. Diam. 48 mm.
Grading System: AA
CHF 3,000 - 4,000
EUR 1,800 - 2,500
USD 2,500 - 3,500
Sold: CHF 6,844
C. Three-body, "bassine et filet", polished and engineturned, the back cover with engraved monogram "AH". Glazed gold-rimmed cover to view the movement. D. White enamel, radial Roman numerals, outer minute divisions and Arabic five-minute numerals, subsidiary seconds. Blued steel fleur-de-lys hands. M. 40 mm., 18''', rhodium-plated, fausses cotes decoration, 31 jewels, wolf's tooth winding, gold wheel train, counterpoised straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, index regulator, repeating on gongs activated by a slide on the band. Dial, case and movement signed. Diam. 48 mm.
Grading System: AA
CHF 3,500 - 4,500
EUR 2,000 - 2,700
USD 3,000 - 3,800
C. Two-body, "Directoire", the back decorated with translucent royal blue enamel over engine-turning with the applied diamond-set words "Gage D'Amitié", split pearl-set bezels. Chatelaine: single crest-form panel decorated en suite with the applied diamond-set words "Pensez a moi", 3 matching chains; for the watch, seal and key. D. White enamel, upright Arabic numerals, outer minute divisions with fifteen-minute Arabic numerals, winding aperture at 2 o'clock. Gold tapered serpentine hands. M. 38 mm, frosted gilt full plate with cylindrical pillars, fusee and chain, verge escapement, brass balance with flat balance spring, continental-type cock, silver regulator dial. Dial and movement signed. Dim. Length 200 mm, Diam. 47 mm.
Grading System: AA
CHF 10,000 - 15,000
EUR 6,000 - 9,000
USD 8,500 - 13,000
C. Four-body, "bassine" with coin-edge band, back a single piece of brown jasper with applied gold ducal crown. Hinged gold cuvette. Chatelaine: the top designed as a shield from a single piece of brown jasper mounted in yellow gold with applied enamel coat of arms, flanked by two lions rampant and surmounted by a gold, enamel, and pearl-set ducal crown, gold spoon, three gold chains; one for the watch, one for a matching seal, and another for a matching key. D. White enamel, radial Roman numerals, outer minute divisions. Gold Breguet hands. M. 25 mm. (11'''), frosted gilt, bar caliber, 10 jewels, cylinder escapement, three-arm gilt balance with balance spring. Signed on the cuvette, retailer inside the box, the box marked on the outside with the ducal crown and the Duchess' initials. Dim: Length 140 mm, diam. 28 mm.
Grading System: AA
CHF 6,000 - 7,000
EUR 3,500 - 4,200
USD 5,000 - 6,000
Sold: CHF 7,670
C. Four-body, ?bassine et filet?, solid, polished, the front cover decorated with the Russian Imperial arms in black, red and blue champleve enamel and with rose-cut diamond-set crowns, orb and sceptre, the back cover decorated with the finely painted polychrome enamel logo of the Nobel Brothers? Petroleum Company depicting the Fire Temple of Atashgah near Baku within a red and blue champleve enamel border of ribbons and laurel leaves. Hinged gold cuvette, glazed gold-rimmed cover over the movement. D. White enamel, radial Roman numerals, outer minute track, subsidiary seconds. Blued steel spade hands. M. 43 mm., frosted gilt, 35 jewels, two-train with tandem winding, straight-line counterpoised lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, index regulator, striking/silent and full strike/quarters only selection levers in the bezel, repeating on gongs activated by a tripslide on the band. Cuvette signed. Diam. 53 mm.
Grading System:
CHF 33,000 - 43,000
EUR 20,000 - 26,000
USD 28,000 - 36,000
Sold: CHF 233,000
C. Four body, "bassine", polished. Hinged gold cuvette engraved with the technical details. D. White enamel, threepiece, with Arabic numerals, outer minute track, subsidiary seconds. Gold spade hands. M. 17 1/2 "', frosted gilt, double train with differential winding, 30 jewels, straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, index regulator, striking the hours and quarters on three gongs with three hammers, Silence/Sonnerie selection lever on the bezel border, repeating activated by a push piece in the band. Dial plate punched with César Racine?s Swiss patent number 18543 (for grande sonnerie) and Ditisheim?s patent number 15833 (for a silent regulator). Diam. 48 mm.
Grading System: AAA
CHF 36,000 - 46,000
EUR 22,000 - 28,000
USD 30,000 - 40,000
Sold: CHF 44,840
C. Four-body, ?bassine et filet?, polished, strike/silent lever under the bezel. Hinged gold cuvette. D. White enamel, radial Roman numerals, outer minute track, Arabic five-minute numerals, subsidiary seconds. Blued steel spade hands. M. 44 mm., 19 1/2???, rhodium-plated, fausses cotes decoration, 29 jewels, twotrain with tandem winding, straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, index regulator, striking and repeating with two hammers on two gongs, the repeating activated by a button in the crown. Dial signed. Diam. 55 mm.
Grading System: AA
CHF 26,000 - 36,000
EUR 16,000 - 22,000
USD 22,000 - 30,000
Sold: CHF 49,560
C. Four-body, "bassine et filet", by James Widmer (mastermark), polished, spring-loaded front cover with champleve enamel radial Roman chapter ring with inner minute track. Dedicated hinged gold cuvette. D. White enamel with radial Roman numerals, outer minute track, subsidiary seconds. Blued steel spade hands. M. 38 mm., frosted gilt, half-plate, going barrel, lateral lever escapement, free sprung bimetallic compensation balance, blued steel balance spring with double overcoil. Dial and movement signed. Diam. 47 mm.
Grading System: A
CHF 1,000 - 2,000
EUR 600 - 1,200
USD 850 - 1,700
Sold: CHF 1,652