C. Two-body, manta ray-shaped, solid, polished, transparent case back with 4 screws, protected winding crown, sapphire crystals. D. Ruthenium gray with applied pink gold dart indexes and Arabic numerals, subsidiary seconds dial at 6, up-and-down indication at 12. Pink gold "dauphine" hands. M. Cal. 28-20 / 220, stamped with the Seal of Geneva Quality Mark, rhodium-plated, "fausses côtes" decoration, 29 jewels, 9 of them in 18K gold chatons, straight-line lever escapement, Glucydur Gyromax balance adjusted to heat, cold, isochronism and 5 positions, shock absorber, self-compensating free-sprung flat balance spring, double-barrel. Dial, case and movement signed. Dim. 34 x 46 mm. Thickness 12 mm.
Grading System: AAA
USD 35,000 - 45,000
EUR 27,000 - 35,000
Sold: USD 53,100
C. Two-body, solid, polished and brushed, stepped sides and lugs. D. Matte silver with applied pink gold Arabic numerals and painted indexes, subsidiary seconds dial. Pink gold "feuille" hands. M. Cal. 90, rhodium-plated, "fausses côtes" decoration, 17 jewels, straight-line lever escapement, cut bimetallic compensation balance, blued steel flat balance spring. Dial, case and movement signed. Dim. 20 x 36 mm. Thickness 9 mm.
Grading System: AA
USD 10,000 - 12,000
EUR 8,000 - 10,000
C. Two-body, solid, polished and brushed, hooded lugs, " bombé" crystal. D. Matte silver with applied pink gold baton and dot indexes, subsidiary seconds dial. Pink gold baton hands. M. Cal. 9'''-90, tonneau, 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. Dim. 25 x 36 mm. Thickness 8 mm.
Grading System: AA
USD 8,000 - 10,000
EUR 6,300 - 8,000
Sold: USD 8,850
C. Two-body, solid, polished, straight lugs, screwed bars. D. Copper-colored with luminous painted radial Arabic numerals, outer minute track. Blued steel "skeleton" hands. M. Cal. 9''', rhodiumplated, 18 jewels, straight-line lever escapement, cut bimetallic compensation balance adjusted to heat, cold, isochronismand 5 positions, blued steel flat balance spring. Dial, case and movement signed. Dim. 25 x 30 mm. Thickness: 9 mm.
Grading System: AA
USD 9,000 - 11,000
EUR 7,000 - 8,500
C. Two-body, solid, polished and brushed, screwed-down case back, flat lapidated bezel, concave lugs. D. Satiné silver with applied yellow gold faceted baton indexes, subsidiary seconds dial. Yellow gold "dauphine" hands. M. Cal. 12'''-120 , 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
USD 22,000 - 26,000
EUR 17,000 - 20,000
C. Two-body, polished and brushed, flat bezel, concave lugs. D. Matte silver with applied steel Breguet numerals, subsidiary seconds dial. Steel "feuille" hands. M. Cal. 11 1/2''', rhodium-plated, "fausses côtes" decoration, 18 jewels, straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, ?swan-neck? micrometer regulator. Dial, case and movement signed. Diam. 35 mm. Thickness 10 mm.
Grading System: 
USD 35,000 - 40,000
EUR 27,000 - 31,000
Sold: USD 37,760
C. Three-body, solid, polished, concave bezel, fluted lugs, screwed-down transparent case back, sapphire crystals. D. Matte 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 côtes" decoration, 31 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. Dial, case and movement signed. Diam. 36 mm. Thickness 12 mm.
Grading System:
USD 50,000 - 60,000
EUR 40,000 - 47,000
Sold: USD 56,640
C. Three-body, polished and brushed, reeded curved decoration on the band, bezel set with 60 round diamonds and 148 pink sapphires, transparent case back with 16 screws, sapphire crystals. D. Pink mother-of-pearl with luminous radial Arabic numerals, subsidiary dials for the seconds, the 45-minute and 6-hour registers, aperture for the date between 4 and 5, outer ring with tachometer graduation. Luminous steel "alpha" hands. M. Cal. 2047, rhodium-plated, 57 jewels, straightline lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring, rotor with bluepainted decoration. Dial, case and movement signed. Diam. 44 mm. Thickness 14 mm.
Grading System: A
USD 1,500 - 2,500
EUR 1,200 - 2,000
Sold: USD 1,534
C. Three-body, polished and brushed, reeded curved decoration on the band, bezel set with 60 round diamonds and 148 pink sapphires, transparent case back with 16 screws, sapphire crystals. D. Pink mother-of-pearl with luminous radial Arabic numerals, subsidiary dials for the seconds, the 45-minute and 6- hour registers, aperture for the date between 4 and 5, outer ring with tachometer graduation. Luminous steel "alpha" hands. M. Cal. 2047, rhodiumplated, 57 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring, rotor with blue-painted decoration. Dial, case and movement signed. Diam. 44 mm. Thickness 14 mm.
Grading System: A
USD 1,500 - 2,500
EUR 1,200 - 2,000
Sold: USD 1,534
C. Three-body, polished and brushed, reeded curved decoration on the band, transparent case back with 16 screws, sapphire crystals. D. Two-tone blue with luminous Arabic numerals, subsidiary dials for the seconds, the 45-minute and 6-hour registers, aperture for the date between 4 and 5, outer ring with tachometer graduation. Luminous steel "alpha" hands. M. Cal. 2047, rhodium-plated, 57 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring, rotor with blue-painted decoration. Dial, case and movement signed. Diam. 44 mm. Thickness 14 mm.
Grading System: A
USD 1,000 - 2,000
EUR 800 - 1,600
Sold: USD 1,121
C. Three-body, polished and brushed, reeded curved black rubber decoration on the band, transparent case back with 16 screws, sapphire crystals. D. Black with applied steel Arabic numerals, round and dart indexes, subsidiary dials for the seconds, the 45-minute and 6-hour registers, aperture for the date between 4 and 5, outer ring with tachometer graduation. Luminous steel "alpha" hands. M. Cal. 2047, rhodium-plated, 57 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring, rotor with blue-painted decoration. Dial, case and movement signed. Diam. 44 mm. Thickness 14 mm.
Grading System: A
USD 1,000 - 2,000
EUR 800 - 1,600
Sold: USD 1,416
C. Three-body, polished and brushed, wide engine-turned bezel, screwed-down case back engraved with an English bulldog with racing hat and goggles, hidden winding crown, sapphire crystal. D. Black with luminous indexes, up-anddown indication at 12 designed like a fuel-level indicator in a car, aperture for the date at 6 surrounded by a drawing depicting the front view of an automobile. Luminous white hands. M. Cal. 2824-2, rhodium-plated, "fausses côtes" decoration, 25 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring, micrometer regulator. Dial, case and movement signed. Diam. 42 mm. Thickness 11 mm.
Grading System: A
USD 500 - 1,000
EUR 400 - 800
Sold: USD 1,416
C. Three-body, polished, screwed-down case back and crown, case back center with rubber membrane to equalize pressure, graduated unidirectional revolving black bezel for the decompression times, sapphire crystal. D. White with painted black Arabic numerals and luminous dots, aperture for the date. Luminous black "skeleton" hands. M. Cal. 955.612 with quartz standardization. Dial, case and movement signed. Diam. 40 mm. Thickness 11 mm.
Grading System: AA
USD 500 - 1,000
EUR 400 - 800
Sold: USD 649
C. Four-body, solid, "bassine et filets", hinged covers fully engine-turned outside and inside, gold hinged cuvette engraved with technical details. D. Silver with painted Roman numerals, fully engraved and with applied gold floral decoration. Blued steel hands. M. Cal. 19"', maillechort, damascened, 16 jewels, spring detent escapement, cut bimetallic compensation balance, blued steel Breguet balance spring. Dial and cuvette signed. Diam. 53 mm.
Grading System: A
USD 1,000 - 1,500
EUR 800 - 1,200
Sold: USD 1,180
C. Four-body, "bassine et filets", solid, covers with black enameled floral ornamentation, front centered with diamond motif, engine-turned band, hinged cuvette with blank picture frame within scrolling. D. Silvered with painted radial Roman numerals, sunk subsidiary seconds dial, applied central and peripheral gold decoration. Blued steel ?spade? hands. M. Cal. 16???, nickel, "fausses côtes" decoration, 15 jewels, straight line lever escapement, cut bimetallic compensation balance with screws, blued steel flat balance spring. Case and movement signed. Diam. 39 mm.
Grading System: A
USD 1,000 - 1,500
EUR 800 - 1,200
C. Four-body, "bassine et filet", entirely engine-turned, hinged cuvette with inscription. D. White enamel with Turkish numerals, outer minute track, subsidiary dials for the seconds, the date and day. Yellow gold "spade" hands. M. Cal. 18???, nickel, bridge caliber, "fausses côtes" decoration, 27 jewels, lateral lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, repeating on gongs by activating slide on the band. Case signed and numbered. Diam. 49 mm.
Grading System: A
USD 1,000 - 2,000
EUR 800 - 1,600
Sold: USD 2,124
C. Four-body, "bassine et filet", solid, polished, hinged gold cuvette. D. White enamel with painted radial Roman numerals, outer minute track with 5 minute/seconds markers, subsidiary dials for the seconds, the days of the week and date, aperture for the moon phases. Pink gold "Louis XI" hands. M. Cal. 19''', maillechort, "fausses côtes" decoration, 16 jewels, straight-line counterpoised lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, index regulator. Case numbered. Diam. 53 mm.
Grading System: A
USD 800 - 1,000
EUR 600 - 800
Sold: USD 1,770
C. Four-body, "bassine", solid, engine-turned covers, front cover with a blank shield, hinged gold cuvette. D. White enamel with painted Arabic numerals, outer minute track and 1/5th chronograph divisions, sunk subsidiary seconds and 30-minute register dials. Blued steel " Breguet " hands. M. Cal. 21???, maillechort, "fausses côtes" decoration, 29 jewels, straight line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, visible chronograph works, repeating on gongs by activating slide on the band. Case numbered, movement engraved: ?Pat. 27833?. Diam. 57 mm.
Grading System: A
USD 1,500 - 2,000
EUR 1,200 - 1,600
Sold: USD 3,304
C. Four-body, "bassine", solid, polished, engine-turned covers, monogrammed front, hinged gold cuvette with awards inscription. D. White enamel with painted large Arabic numerals, outer minute and chronograph divisions, subsidiary sunk seconds and 30-minute register dials. Blued steel "spade" hands. M. Cal. 21''', maillechort, 41 jewels, straight line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, visible chronograph works, repeating on gongs by activating slide on the band. Dial, case and movement signed, movement also engraved ?Pat. 47300? Diam. 58 mm.
Grading System: AA
USD 2,500 - 3,500
EUR 2,000 - 2,700
Sold: USD 7,552
C. Three-body, "demi-bassine", solid, polished, hinged gold cuvette. D. White enamel with painted Arabic numerals, outer minute and chronograph divisions, subsidiary sunk seconds and 30-minute register dials. Blued steel ?spade" hands. M. Cal. 18'', nickel, 38 jewels, straight line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, ?swan-neck? micrometer regulator, visible chronograph works, repeating on gongs by activating slide on the band. Case signed and numbered. Diam. 44 mm.
Grading System: A
USD 2,500 - 3,000
EUR 2,000 - 2,300
Sold: USD 3,540