Two-body, solid, polished, central mobile lugs, flat and stepped bezel, flat sapphire crystal. Blue with applied white gold radial Roman numerals. White gold dauphine hands. Cal. 6620, fausses cotes decoration, 8 jewels, with quartz standardization.
Grading System: AA
CHF 1,500 - 2,500
HKD 12,000 - 20,000
USD 1,600 - 2,600
Sold: CHF 1,875
Two-body, solid, polished, central mobile lugs, flat and stepped bezel, flat sapphire crystal. White with applied yellow gold radial Roman numerals. Yellow gold dauphine hands. Cal. 6620, fausses cotes decoration, 8 jewels, with quartz standardization.
Grading System: AA
CHF 1,500 - 2,500
HKD 12,000 - 20,000
USD 1,600 - 2,600
Grading System: AA
CHF 4,000 - 6,000
HKD 32,000 - 49,000
USD 4,200 - 6,300
Sold: CHF 4,625
Grading System: AA
CHF 3,000 - 5,000
HKD 24,000 - 40,000
USD 3,100 - 5,200
Sold: CHF 5,000
Grading System: AA
CHF 4,000 - 6,000
HKD 32,000 - 49,000
USD 4,200 - 6,300
Sold: CHF 6,000
Grading System: AA
CHF 2,000 - 4,000
HKD 16,000 - 32,000
USD 2,100 - 4,200
Sold: CHF 3,750
Grading System: AA
CHF 3,500 - 5,500
HKD 28,000 - 44,000
USD 3,700 - 5,700
Sold: CHF 8,125
Grading System: A
CHF 1,500 - 3,500
HKD 12,000 - 28,000
USD 1,600 - 3,700
Grading System: AA
CHF 3,000 - 5,000
HKD 24,000 - 40,000
USD 3,100 - 5,200
Sold: CHF 4,250
Grading System: A
CHF 1,500 - 2,500
HKD 12,000 - 20,000
USD 1,600 - 2,600
Grading System: A
CHF 2,000 - 4,000
HKD 16,000 - 32,000
USD 2,100 - 4,200
Grading System: AA
CHF 2,000 - 4,000
HKD 16,000 - 32,000
USD 2,100 - 4,200
Grading System: A
CHF 1,500 - 2,500
HKD 12,000 - 20,000
USD 1,600 - 2,600
Sold: CHF 3,750
Grading System: AA
CHF 2,000 - 4,000
HKD 16,000 - 32,000
USD 2,100 - 4,200
Four-body, bassine et filets, polished, two protected buttons flanking the crown for the independent setting of both time zones, button in the band at 12 for the stop and rejoin of the chronograph hand to the center-seconds. Hinged gold cuvette. Two-piece, white enamel with inner radial Roman numerals for the 12-hour dial, outer minute track, outer 24-hour ring and outermost chronograph track calibrated to 300 units. Blued steel spade hands for the 12-hours, gold spade hands for the 24-hours and blued steel chronograph hands. 19''', matte gilt, three-quarter plate, jeweled to the center with screwed gold chatons, lateral lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring with overcoil, index regulator. Case numbered.
Grading System: AAA
CHF 4,500 - 6,500
HKD 36,000 - 53,000
USD 4,700 - 6,800
Sold: CHF 6,750
Four body, bassine, matte, the hinged and sprung front cover with the champlevé enameled diamond-set coat of arms of Umberto I, King of Italy. Hinged gold cuvette engraved Grand Prix Paris 1900. White enamel, Arabic numerals, outer minute track, subsidiary seconds. Gold Spade hands. 20"', matte gilt, double train with differential winding, 23 jewels, straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring with overcoil, index regulator, striking the hours and quarters on three gongs with three hammers, centrifugal governor between the dial and dial plate, Silence/Sonnerie selection lever protruding from the bezel, repeating activated by a trip push-piece in the band and by original King Umberto I fitted box.
Grading System: AAA
CHF 15,000 - 20,000
HKD 120,000 - 160,000
USD 16,000 - 21,000
Sold: CHF 32,500
Four body, "bassine", polished. Hinged gold cuvette. White enamel, Arabic numerals, outer minute track, subsidiary seconds. Blued steel spade hands. 18"', rhodium plated, double train with differential winding, 30 jewels, straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring with overcoil, index regulator, striking the hours and quarters on three gongs with three hammers, centrifugal governor between the dial and dial plate, Silence/Sonnerie selection slide on the band, repeating activated by a trip push-piece in the band.
Grading System: AAA
CHF 20,000 - 30,000
HKD 160,000 - 240,000
USD 21,000 - 31,000
Sold: CHF 18,750
Four-body, "bassine", polished, the front cover with engraved monogram. Hinged gold cuvette. White enamel, Arabic numerals, outer minute track, subsidiary seconds. Gold Spade hands. 20"', matte gilt, double train with differential winding, 30 jewels, straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring with overcoil, index regulator, striking the hours and quarters on three gongs with three hammers, centrifugal governor between the dial and dial plate, Silence/Sonnerie selection lever on the bezel border, repeating activated by a trip pushpiece in the band.
Grading System: AAA
CHF 15,000 - 25,000
HKD 120,000 - 200,000
USD 16,000 - 26,000
Two-body, "Empire", the hinged back cover decorated with a very finely painted on enamel view in the manner of Claude Vernet of sheep and cattle drovers in a boat and in the foreground in a calm harbor landscape with ships and mountains in the distance, bezel, border, band, pendant and bow decorated with red, blue and white champlevé enamel repeated patterns, inner serpentine cover edges similarly decorated. Hinged and sprung gold cuvette attached to the movement ring and decorated with a blue and white champlevé enamel geometric pattern. White enamel with radial Roman numerals, outer minute track, large subsidiary seconds. Gold heart hands. 51 mm., frosted gilt, finely foliate engraved, standing barrel, duplex escapement, large flat-rim five-arm polished steel balance, index regulator. Movement signed, case with partial English marks for 18K gold.
Grading System: 
CHF 60,000 - 80,000
HKD 480,000 - 640,000
USD 62,000 - 83,000
Sold: CHF 231,750
Two-body, Empire, the bezel decorated with translucent Royal blue enamel lappets, pale green enamel and engraved gold pattern between, pendant and bow similarly decorated, the hinged and sprung back cover set with a very finely painted on enamel scene of Apollo embracing his lover in a classical interior, his lyre over his shoulder, outer border decorated to match the bezel. Hinged and sprung gold cuvette fixed to the movement ring. White enamel with radial narrow Roman numerals, outer minute and seconds divisions with Arabic 15-minute numerals. Blued steel ovoid hands. 47 mm., entirely foliate engraved gilt Chinese caliber, standing barrel, jeweled to the center wheel, duplex escapement, three-arm balance with blued steel wings, flat balance spring, index regulator.
Grading System:
CHF 35,000 - 55,000
HKD 285,000 - 440,000
USD 36,000 - 57,000
Sold: CHF 47,500