C. Two-body, solid, polished, concave lugs, transparent case back with 6 screws, sapphire crystals. D. Silver chapter ring with painted radial Arabic numerals secured to a matte 18K white gold plate by 3 screws, subsidiary seconds, sector for the 120-hour up and down indication, apertures for the large double digit date and the moon phases. Blued steel Journe hands. M. Cal. 1300-2 in 18K pink gold, fausses cotes decoration, 32 jewels, straight line lever escapement, monometallic 4-arm balance with 4 timing weights adjusted to 5 positions, shock absorber, self-compensating free-sprung flat balance spring, off-center bidirectional 22K gold guilloche rotor. Dial, case and movement signed. Diam. 38 mm. Thickness 10.5 mm.
Grading System: AAA
CHF 20,000 - 30,000
EUR 13,000 - 19,000
USD 20,000 - 30,000
Sold: CHF 31,200
C. Three-body, solid, polished, transparent case back, stepped bezel, sapphire crystals. D. Opaline silver with applied white gold Roman numerals, subsidiary dials for the date, days of the week, months and leap year, 12-hour and 30-minute registers, aperture for the flying tourbillon regulator. White gold feuille hands. M. Cal. 56F9U, rhodiumplated, fausses cotes and oeil-de-perdrix decoration, 39 jewels, straight line lever escapement with one-minute flying tourbillon regulator with polished steel arms, monometallic balance adjusted to 5 positions, shock absorber, self-compensating flat balance spring, skeletonized and engraved rotor. Dial, case and movement signed. Diam. 42 mm. Thickness 17,5 mm
Grading System: AAA
CHF 50,000 - 80,000
EUR 32,000 - 50,000
USD 50,000 - 80,000
Sold: CHF 69,600
C. Three-body, solid, polished, stepped bezel, screwed-down transparent case back, sapphire crystals. D. Transparent with luminous dots to view the fausses cotes and oeil-de-perdrixdecorated dial plate, sector for the up and down indication, apertures for the double-digit date and flying tourbillon regulator, carrying a subsidiary seconds hand. Skeletonized and luminous white gold épée hands. M. Cal. 6925A, rhodium-plated, fausses cotes and oeil-deperdrix decoration, 35 jewels, straight line lever escapement with tourbillon regulator wish polished steel arms, monometallic balance adjusted to 5 positions, shock absorber, selfcompensating flat balance spring, skeletonized and engraved rotor. Dial, case and movement signed. Diam. 38 mm. Thickness 12.5 mm.
Grading System: AAA
CHF 50,000 - 80,000
EUR 32,000 - 50,000
USD 50,000 - 80,000
C. Three-body, solid, polished, stepped bezel, straight lugs, transparent case back, ?bombé? sapphire crystal. D. Satiné silver with applied white gold radial Roman numerals, sector for the 8-day up-and-down indication at 12, aperture for the date. White gold feuille hands. M. Cal. 13RO, rhodium-plated, fausses cotes decoration, 30 jewels, straight line lever escapement, titanium balance with 4 poising weights, adjusted to 5 positions, shock-absorber, self-compensating free-sprung Breguet balance spring, 3 barrels. Dial, case and movement signed. Diam. 42 mm. Thickness 12.5 mm.
Grading System: AA
CHF 10,000 - 15,000
EUR 6,500 - 9,500
USD 10,000 - 15,000
Sold: CHF 15,000
C. Three-body, solid, polished and brushed, rounded bezel, curved straight lugs, transparent case back with 6 screws, pushbutton on the band for date correction, sapphire crystals. D. Solid silver, off-center dial for hours and minutes with applied white gold radial Roman numerals and indexes, subsidiary seconds dial, power reserve sector, apertures for the oversized date and moon phases. Luminous white gold alpha hands. M. Cal. L 901.5, Glashütte 3/4 plate in German silver, fausses cotes decoration, 54 jewels, including 9 in screw-mounted gold chatons, straight line lever escapement, monometallic balance adjusted to 5 positions, shock absorber, self-compensating flat balance spring, swan neck micrometer regulator, hand-engraved balance bridge. Dial, case and movement signed. Diam. 38.5 mm. Thickness 10 mm.
Grading System: AAA
CHF 15,000 - 20,000
EUR 9,500 - 13,000
USD 15,000 - 20,000
Sold: CHF 30,000
C. Three-body, solid, polished, rounded bezel, curved straight lugs, date corrector on the band, transparent case back with 6 screws, sapphire crystals. D. Black made from solid silver, offcenter dial for hours and minutes with applied white gold radial Roman numerals and indexes, subsidiary seconds dial, powerreserve sector, aperture for the double-digit oversized date. White gold alpha hands. M. Cal. L 901.0, Glashütte 3/4 plate in German silver, fausses cotes decoration, 53 jewels, including 9 in screwmounted gold chatons, straight line lever escapement, monometallic balance adjusted to 5 positions, shock absorber, self-compensating flat balance spring, swan neck micrometer regulator, hand-engraved balance bridge, hack mechanism. Dial, case and movement signed. Diam. 36 mm. Thickness 10 mm.
Grading System: AA
CHF 15,000 - 20,000
EUR 9,500 - 13,000
USD 15,000 - 20,000
Sold: CHF 20,400
C. Three-body, solid, polished, transparent case back with 6 screws, pushbutton on the band for date correction, sapphire crystals. D. Solid silver with applied faceted white gold baton indexes and luminous dots, aperture for the double-digit oversized date, subsidiary seconds dial. Luminous white gold alpha hands. M. Cal. L 921.4, Glashütte 3/4 plate in German silver, fausses cotes decoration, 45 jewels, straight line lever escapement, monometallic balance adjusted to 5 positions, shock absorber, selfcompensating flat balance spring, swan neck micrometer regulator, 21K gold microrotor with platinum segment, hand-engraved balance bridge. Dial, case and movement signed. Diam. 37 mm. Thickness 10 mm.
Grading System: AA
CHF 14,000 - 18,000
EUR 9,000 - 11,000
USD 14,000 - 18,000
Sold: CHF 20,400
C. Two-body, solid, polished and brushed, transparent case back with 6 screws, date corrector on the band, sapphire crystals. D. Black, made from solid silver with applied white gold radial Roman numerals, subsidiary seconds dial, aperture for the doubledigit date. White gold alpha hands. M. Cal. L 931.3, tonneaushaped, Glashütte 3/4 plate in German silver, fausses cotes decoration, 30 jewels, straight-line lever escapement, monometallic balance adjusted to 5 positions, shock absorber, self-compensating flat balance spring, swan-neck micrometer regulator, handengraved balance bridge. Dial, case and movement signed. Dim. 26 x 43 mm. Thickness 9 mm.
Grading System: AA
CHF 10,000 - 15,000
EUR 6,500 - 9,500
USD 10,000 - 15,000
Sold: CHF 16,800
C. Three-body, solid, polished and brushed, ribbed bezel, concave lugs, transparent case back with 5 screws, sapphire crystals. D. ?Guilloché? 18K white gold, subsidiary dial for the mean time hours and minutes at 6 with painted baton markers, sectors for the retrograde date and the power-reserve indication, aperture for the flying tourbillon regulator with its integral subsidiary seconds hand at 12. Blued steel alpha hands. M. Cal. 41-02, rhodium-plated, fausses cotes decoration, 35 jewels, some in screwed gold chatons, lateral lever escapement, Alfred Helwig's one-minute flying tourbillon regulator with polished steel cage and diamond endstone, monometallic balance timed in 5 positions, selfcompensating Breguet balance spring. Dial, case and movement signed. Diam. 39 mm. Thickness 11 mm.
Grading System: AAA
CHF 50,000 - 70,000
EUR 32,000 - 45,000
USD 50,000 - 70,000
Sold: CHF 57,600
C. Two-body, polished, screwed-down transparent case back, protected crown, push button on the band at 10 to activate the settable discs with the different time zones, the 24 hours and jumptype time-setting, concave lugs, sapphire crystals. D. Guilloche metallic blue with applied white gold baton indexes, surrounded by a brushed silver and blue revolving disc in 24 hours for the diurnal and nocturnal hours, outer revolving brushed silver ring dial bearing the names of 24 global locations. White gold dauphine and ring hands. M. Cal. 240HU, stamped with the Seal of Geneva Quality Mark, rhodium-plated, fausses cotes decoration, 33 jewels, straight line lever escapement, Gyromax balance adjusted to heat, cold, isochronism and 5 positions, shock absorber, self-compensating free-sprung flat balance spring, 22K gold micro-rotor. Dial, case and movement signed. Diam. 39,5 mm. Thickness 10 mm.
Grading System: AAA
CHF 30,000 - 40,000
EUR 19,000 - 25,000
USD 30,000 - 40,000
Sold: CHF 44,400
C. Two-body, stepped and curved bezel, case band set at 6 with a Top Wesselton diamond, concave lugs, screwed-down transparent case back, sapphire crystals. D. Slate gray with applied white gold luminous radial Roman numerals, subsidiary dials for the days of the week and the month, sector for the power reserve indication below 12, apertures for the date at 6 and the moon phases. Luminous white gold feuille hands. M. Cal. 315, stamped with the Seal of Geneva Quality Mark, rhodium-plated, fausses cotes decoration, 37 jewels, straight-line lever escapement, Gyromax balance adjusted to heat, cold, isochronism and 5 positions, shockabsorber, self-compensating free-sprung flat balance spring, 18K gold rotor. Dial, case and movement signed. Diam. 37 mm. Thickness 11 mm.
Grading System: AAA
CHF 25,000 - 35,000
EUR 16,000 - 22,000
USD 25,000 - 35,000
Sold: CHF 33,600
C. Two-body, solid, polished, stepped curved sides, transparent case back with 4 screws, Top Wesselton diamond set between the lugs at 6, sapphire crystals. D. Salmon-colored with applied black oxidized gold Breguet numerals, subsidiary seconds dial. Black oxydized gold feuille hands. M. Cal. TO 28-20/222, rectangular, stamped with the Seal of Geneva Quality Mark, rhodium-plated, fausses cotes decoration, 29 jewels, 6 of which are set in gold chatons, tandem mainspring barrels, 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, selfcompensating free-sprung Breguet balance spring. Dial, case and movement signed. Dim. 30 x 52 mm. Thickness 12 mm.
Grading System: 
CHF 250,000 - 300,000
EUR 160,000 - 200,000
USD 250,000 - 300,000
Sold: CHF 247,440
C. Three-body, solid, polished and brushed, rounded bezel, transparent case back with 6 screws, push-button on the band for date correction, sapphire crystals. D. Solid silver, subsidiary off-center hour dial with applied radial Roman numerals and indexes, subsidiary seconds dial, sector for the up and down indication, apertures for the double-digit oversized date and tourbillon regulator under a polished steel bridge. White gold alpha hands. M. Cal. L 961.1, Glashütte 3/4 plate in German silver, fausses cotes decoration, 49 jewels including 7 in screw-mounted gold chatons, 2 diamond endstones in screw-mounted gold chatons to hold tourbillon cage shaft, lateral lever escapement with one-minute tourbillon regulator, cage with 3 equidistant polished steel arms, monometallic balance adjusted to 5 positions, shock-absorber, self-compensating Breguet balance spring, 2 hand-engraved bridges. Dial, case and movement signed. Diam. 38.5 mm. Thickness 10 mm.
Grading System:
CHF 110,000 - 160,000
EUR 70,000 - 100,000
USD 110,000 - 160,000
Sold: CHF 173,100
C. Three-body, solid, polished, rounded bezel, curved straight lugs, push-button on the band for date correction, transparent case back with 6 screws, sapphire crystals. D. Solid silver, off-center dial for hours and minutes with applied white gold radial Roman numerals and indexes, subsidiary seconds dial, power reserve sector, aperture for the double-digit oversized date. White gold alpha hands. M. Cal. L 901.0, Glashütte 3/4 plate in German silver, fausses cotes decoration, 53 jewels, including 9 in screw-mounted gold chatons, straight line lever escapement, monometallic balance adjusted to 5 positions, shock absorber, self-compensating flat balance spring, swan neck micrometer regulator, hand-engraved balance bridge, hack mechanism. Dial, case and movement signed. Diam. 38.5 mm. Thickness 10 mm.
Grading System: AA
CHF 15,000 - 20,000
EUR 9,500 - 13,000
USD 15,000 - 20,000
Sold: CHF 22,800
C. Three-body, solid, polished and brushed, transparent case back with 6 screws, sapphire crystals. D. Solid silver with painted radial Roman numerals, subsidiary dials for the seconds and up and down indication. Blued steel alpha hands. M. Cal. L 921.6, Glashütte 3/4 plate in German silver, fausses cotes decoration, 42 jewels, straight line lever escapement, monometallic balance adjusted to 5 positions, shock absorber, self-compensating flat balance spring, swan neck micrometer regulator, 21K gold microrotor with platinum segment, hand-engraved balance bridge. Dial, case and movement signed. Diam. 41 mm. Thickness 10 mm.
Grading System: AAA
CHF 15,000 - 20,000
EUR 9,500 - 13,000
USD 15,000 - 20,000
Sold: CHF 36,000
C. Two-body, solid, polished, concave lugs, transparent case back with 6 screws, sapphire crystals. D. Slate gray 18K gold dial plate, screw-fastened outer guilloche silver ring with painted radial Arabic numerals and outermost revolving indication of the months and Zodiac signs, subsidiary seconds dial, sector for the up-anddown indication, aperture for the date. Blued steel Journe hands. M. Cal. 1300, ruthenium-plated, fausses cotes decoration, 30 jewels, straight line lever escapement, monometallic 4-arm balance with 4 timing weights adjusted to 5 positions, self-compensating free-sprung flat balance spring, off-center bidirectional 22K gold guilloche rotor. Dial, case and movement signed. Movement also engraved "Exclusive Power Reserve System" and "Precision Chronometer". Diam. 40 mm. Thickness 11 mm.
Grading System: AAA
CHF 25,000 - 35,000
EUR 16,000 - 22,000
USD 25,000 - 35,000
Sold: CHF 43,200
C. Two-body, solid, polished, concave lugs, transparent case back with 6 screws, sapphire crystals. D. Off-center, guilloche white with painted radial Arabic numerals and subsidiary seconds dial secured to a brushed 18K white gold plate by 3 screws, outer concentric sector for the retrograde date indication, apertures for the days of the week and the month. Blued steel Journe hands. M. Cal. 1300, rhodium-plated, fausses cotes decoration, 32 jewels, straight line lever escapement, monometallic 4-arm balance with 4 timing weights adjusted to 5 positions, self-compensating free-sprung flat balance spring, off-center bi-directional 22K gold guilloche rotor. Dial, case and movement signed, movement also engraved "Exclusive Power Reserve System" and "Precision Chronometer". Diam. 38.5 mm. Thickness 11 mm.
Grading System: AAA
CHF 25,000 - 35,000
EUR 16,000 - 22,000
USD 25,000 - 35,000
Sold: CHF 38,400
C. Three-body, solid, polished, transparent case back with 8 screws, fluted curved lugs, olive-shaped push buttons at 4 and 8 to independently adjust the hour hand forwards or backwards for different time-zones. D. Two-tone, satiné silver and white with applied white gold large Arabic quarter-hour numerals, baton indexes and luminous dots, apertures for the date, the days of the week, the months and leap year, sunk guilloche subsidiary seconds dial at 9, outer 24-hour graduation for the second-time-zone and day and night indication. Luminous blued steel skeleton lozenge hands, arrow hand for the 24-hours. M. Cal. UN 32, rhodium plated, fausses cotes decoration, 34 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring. Dial, case and movement signed. Diam. 42 mm. Thickness 13 mm.
Grading System: AA
CHF 20,000 - 30,000
EUR 13,000 - 19,000
USD 20,000 - 30,000
Sold: CHF 24,000
C. Three-body, solid, polished, transparent case back with 6 screws, fluted curved lugs, olive-shaped push buttons at 4 and 8 to independently adjust the hour hand forwards or backwards for different time zones. D. Two-tone, engine-turned silver with applied white gold baton indexes and luminous dots, apertures for the date, the days of the week, the months and leap year, guilloche subsidiary seconds dial at 9, outer 24-hour graduation for the second time zone. Luminous blued steel feuille hands, arrow hand for the 24-hour indication. M. Cal. UN 32, rhodium-plated, fausses cotes decoration, 34 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring. Dial, case and movement signed. Diam. 40 mm. Thickness 13 mm.
Grading System: AA
CHF 16,000 - 26,000
EUR 10,000 - 16,000
USD 16,000 - 26,000
Sold: CHF 19,200
C. Two-body, solid, polished, concave lugs, transparent case back with 6 screws, sapphire crystals. D. Off-center, guilloche silver with painted radial Arabic numerals and subsidiary seconds dial secured to a matte 18K white gold plate by 3 screws, sector for the 120-hour power reserve indication, aperture for the large double digit date. Blued steel Journe hands. M. Cal. 1300-2 in 18K pink gold, fausses cotes decoration, 30 jewels, straight line lever escapement, monometallic 4-arm balance with 4 timing weights adjusted to 5 positions, self-compensating free-sprung flat balance spring, off-center bi-directional 22K gold guilloche rotor. Dial, case and movement signed. Movement also engraved "Exclusive Power Reserve System" and "Precision Chronometer". Diam. 40 mm. Thickness 10.5 mm.
Grading System: AAA
CHF 20,000 - 30,000
EUR 13,000 - 19,000
USD 20,000 - 30,000
Sold: CHF 26,400