Floating Cosmograph, 225 UPH Rolex, "Oyster Perpetual, Superlative Chronometer, Officially Certified, Cosmograph, Daytona", case No. L244578, Ref. 16520. Made in 1988. Very fine and rare, self-winding, water-resistant, stainless steel wristwatch with round button chronograph, registers, tachometer and a stainless steel Oyster bracelet. Accompanied by a fitted box.

C. Three-body, polished and brushed, screwed-down case back, buttons and crown, Triplock winding crown protected by the crown guard, tachometer graduation on the bezel to 400 units per hour, sapphire crystal. D. Bicolor white and black with applied luminous steel baton indexes, subsidiary dials for the seconds, the 12-hour and 30-minute registers, outer minute/ seconds. Luminous steel baton hands. M. Cal. 4030, rhodiumplated, oeil-de-perdrix decoration, 31 jewels, straight line lever escapement, monometallic balance adjusted to temperatures and 5 positions, shock absorber, self-compensating free-sprung Breguet balance spring, Microstella regulating screws, index regulator, hack mechanism. Dial, case and movement signed. Diam. 40 mm. Thickness 12 mm. Approx. overall length 175 mm.

Ref. 16600, Sea-Dweller 4000 Rolex, ?Oyster Perpetual Date, Sea Dweller 4000ft = 1220m, Superlative Chronometer Officially Certified?, case No. E761482, Ref. 16600. Made in 1991. Fine, center seconds, self-winding, water-resistant, stainless steel diver?s wristwatch with date and stainless steel Rolex Oyster Fliplock bracelet.

C. Three-body, polished and brushed, screwed-down engraved case back, graduated uni-directional revolving bezel for the decompression times, Triplock winding crown protected by the Crown-Guard, gas-escape valve at 9, sapphire crystal. D. Black with luminous steel round, triangular and baton indexes, outer minute/seconds division, aperture for the date. Luminous steel skeleton hands. M. Cal. 3135, rhodium-plated, 27 jewels, straight line lever escapement, monometallic balance adjusted to temperatures and 5 positions with Microstella timing screws, shock absorber, self-compensating Breguet balance spring, hack mechanism. Dial, case and movement signed. Diam. 40 mm. Thickness 15 mm. Approx overall length 160 mm.

Yellow Gold 30-Seconds Chronograph Breitling, Genève, for "Bentley Motors - 30- Seconds Chronograph, Officially Certified Chronometer?, No. 102, case No. 713937, Ref. K 25362. Made in a special edition in 2003 to commemorate Bentley's participation in the ?24 Hours of Le Mans? races and to celebrate its collaboration with Breitling. Fine, oversized, self-winding, water-resistant, 18K yellow gold chronometer wristwatch with round button chronograph, registers, tachometer, date, slide-rule and an 18K yellow gold Breitling buckle. Accompanied by a wooden Breitling box.

C. Three-body, solid, polished, bi-directional rotating bezel to operate the slide-rule, screwed-down case back and crown, case back embossed with the Bentley logo, helium escape valve, lapidated lugs, sapphire crystal. D. Bi-color black and matte silver with yellow gold indexes and luminous square dots, subsidiary dials for the seconds, the 12-hour and 30-minute registers, outer tachometer and revolving slide-rule graduations, aperture for the date between 4 and 5. Luminous yellow gold baton hands. M. Cal. 25, rhodium plated, 38 jewels, straightline lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring, index regulator, hack mechanism. Dial, case and movement signed. Diam. 50 mm. Thickness 15 mm

Avenger Breitling, "Avenger, Chronometre, Automatic", case No. 792567, Ref. E 13360. Sold on August 2nd, 2006. Fine, oversized, self-winding, water-resistant, titanium chronometer wristwatch with round button chronograph, registers, date and a titanium Breitling buckle. Accompanied by a fitted box, booklets and a warranty.

C. Three-body, brushed, screwed-down case back and crown with embossed logo, dotted revolving bezel with rider tabs, concave lugs, sapphire crystal. D. Off-white with applied steel Arabic indexes, luminous dots, subsidiary dials for the seconds, the 12-hour and 30-minute registers, outer minute and 1/5th seconds, outermost tachometer scale, aperture for the date. Luminous steel baton hands. M. Cal. 13, rhodium-plated, fausses cotes decoration, 25 jewels, straight line lever escapement, monometallic balance, shock-absorber, self-compensating flat balance-spring, index regulator, hack mechanism. Dial, case and movement signed. Diam. 45 mm. Thickness 17 mm.

Casablanca Franck Muller, Genève, ?Cintrée Curvex, Casablanca", No. 7048, Ref. 6850. Made in the 2000's. Fine, tonneau-shaped, center-seconds, self-winding, waterresistant, stainless steel wristwatch with a stainless steel Franck Muller buckle. Accompanied by a fitted box, a Franck Muller overhaul invoice dated June 2009 and a certificate. To be sold without reserve

C. Two-body, polished and brushed, case back with 4 screws, domed sapphire crystal. D. Black with luminous and oversized graduated radial Arabic numerals. Luminous blued steel lozenge hands. M. Cal. 2800, rhodium-plated, fausses cotes decoration, 21 jewels, straight line lever escapement, monometallic balance, self-compensating flat balance spring, index regulator, platinum rotor segment, hack mechanism. Dial, case and movement signed. Dim. 34 x 41 mm. Thickness 10 mm.

Yellow Gold Chronomat Breitling, "Chronomat, Chronomètre Automatic?, No. 042, case No. 42607, Ref. K13352. Sold on March 26th, 2001. Fine, self-winding, water-resistant, 18K yellow gold chronometer wristwatch with round button chronograph, registers, tachometer, date and an 18k yellow gold Breitling buckle. Accompanied by a Breitling box, certificate and instruction booklet.

C. Three-body, polished and brushed, graduated unidirectional revolving bezel with yellow gold screw markers and quarter rider tabs, concave lugs, embossed screwed-down case back, screwed down protected winding-crown, sapphire crystal. D. Black with applied yellow gold baton indexes, luminous dots, black and gold subsidiary dials for the seconds, the 12-hour and 30-minute registers, outer minute and 1/5th seconds division, outermost tachometer scale, aperture for the date. Luminous yellow gold baton hands. M. Cal. 13, rhodium-plated, 25 jewels, straight line lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring, index regulator, hack mechanism. Dial, case and movement signed. Diam. 40.5 mm. Thickness 14.5 mm.

Malte Retrograde Date Vacheron & Constantin, Genève, movement No. 887545, case No. 745156, Ref. 47245. Sold on September 7th, 2002. Very fine, self-winding, water-resistant, 18K white gold wristwatch with retrograde date, days of the week indication and an 18K white gold Vacheron Constantin double deployant clasp. Accompanied by the Certificate of Origin instruction booklet, booklet and suede pouch.

C. Two-body, solid, polished, transparent case back with 4 screws, large and fluted overhanging straight lugs, sapphire crystals. D. Guilloché matte silver with applied white gold radial Roman numerals and round indexes, at 12 the sector for the retrograde date, at 6 a subsidiary dial for the days of the week, outer minute track. White gold baton hands. M. Cal.1126/1, rhodium-plated, fausses cotes decoration, 36 jewels, straight-line lever escapement, monometallic balance adjusted for cold, heat, isochronism and to 5 positions, shockabsorber, self-compensating flat balance spring, 21K gold rotor segment. Dial, case and movement signed. Diam. 37 mm. Thickness 10.5 mm.

Malte Dual Time Regulator Vacheron Constantin, Genève, "Malte Dual Time Regulator, Chronometer?, movement No. 926684, case No. 744246, Ref. 42005G. Sold on June 6th, 2003. Very fine, two time zone, self-winding, water-resistant, 18K white gold chronometer wristwatch with regulator dial, date and an 18K white gold Vacheron Constantin buckle. Accompanied by 2 certificates, manuals, COSC Certificate, push pin and a suede pouch.

C. Three-body, solid, polished, hinged cover over transparent case back, push button on the band to adjust the 2nd time-zone, fluted geometrical-shaped lugs, sapphire crystals. D. Two-tone matte silver with painted radial Arabic numerals for the outer minute indication, at 6 subsidiary seconds and date, at 9 subsidiary guilloche 24-hour dial for the 2nd time zone, at 12 subsidiary hour dial with painted Roman numerals and baton indexes. White gold épée and lozenge hands. M. Cal. 1206, rhodiumplated, fausses cotes decoration, 31 jewels, straight-line lever escapement, monometallic balance adjusted to 5 positions, shock absorber, self-compensating flat balance spring, 18K gold rotor. Dial, case and movement signed. Diam. 38.5 mm. Thickness 11 mm.

Millenary Chronograph Audemars Piguet, ?Millenary Automatic?, case No. E1406. Made in the 2000's. Fine and unusual, large, water-resistant, self-winding, horizontal oval, 18K pink gold wristwatch with round button chronograph, registers, tachometer, date and a 18K pink gold Audemars Piguet deployant clasp. Accompanied by a Audemars Piguet box.

C. Three-body, solid, polished and brushed, back with 6 screws, straight curved lugs, winding crown set with a cabochon sapphire, sapphire crystal with cyclops lens. D. Two-tone silver, with painted radial Roman numerals, inner minute track, outer tachometer scale, subsidiary dials for the seconds, 12-hour and 30-minute registers, aperture for the date. Black alpha hands. M. Cal. 2226/2840, rhodium-plated, fausses cotes decoration, 19 jewels, straight-line lever escapement, monometallic balance, shock absorber, selfcompensating flat balance-spring, 21K gold rotor, hack mechanism. Dial, case and movement signed. Dim. 37 x 41 mm. Thickness 11 mm.

Jules Audemars Chronograph Audemars Piguet, Genève, "Jules Audemars Chronograph", case No. E16447, Ref. 25859 ST. Sold on April 6th, 2000. Very fine, large, self-winding, water-resistant, stainless steel wristwatch with round button chronograph, registers, and a stainless steel Audemars Piguet deployant clasp. Accompanied by a fitted box and warranty. To be sold without reserve

C. Two-body, polished and brushed, inverted bezel, curved straight lugs, case back with 5 screws, sapphire crystal. D. Twotone black with applied steel Arabic numerals and triangular indexes, subsidiary seconds and 30-minute register dials, outer 1/5th seconds/ minute track. Steel baton hands. M. Cal. 2226, rhodium-plated, fausses cotes decoration, 54 jewels, straight line lever escapement, monometallic balance adjusted to heat, Cold, isochronism and five positions, shock absorber, selfcompensating flat balance-spring, 21K gold rotor segment, hack mechanism. Dial, case and movement signed. Diam. 39 mm. Thickness 11.5 mm.

Power Reserve Breguet, No. 3922, Ref. 3130. Sold on May 14th, 1984. Very fine, self-winding, 18K yellow gold wristwatch with power-reserve, date, phases and age of the moon. Accompanied by the box, guarantee and booklet.

C. Three-body, solid, polished, reeded band, straight lugs with screwed gold bars, sapphire crystal. D. Guilloché silver with radial Roman numerals on a plain reserve, outer dot minute divisions, subsidiary dial for the days of the month at 6, power-reserve sector, moon phase aperture and age of the moon scale between 1 and 2. Blued steel Breguet hands. M. Cal. 502, rhodium-plated, fausses-cotes decoration, 37 jewels, straight-line lever escapement, monometallic balance adjusted to 5 positions, shock-absorber, self-compensating flat balance spring, off-center gold rotor. Dial, case and movement signed. Diam. 36 mm. Thickness 7 mm.

Perpetual Calendar Breguet, movement No. 10166, No. 3154 H, Ref. 7707. Made in the 1990's. Very fine and rare, self-winding, 18K yellow gold wristwatch with perpetual calendar, leap year indication and an 18K yellow gold Breguet buckle. Accompanied by a fitted box and certificate.

C. Three-body, solid, polished, reeded band, straight lugs with screw bars, transparent case back, sapphire crystals, correctors on the band. D. Two-tone silver, hand guilloche decoration, painted black radial Roman numerals on a plain reserve and dot indexes, subsidiary dial for the months in the center, subsidiary dial for the date and the leap year indicator, aperture for the days of the week at 12, outer minute division. Blued steel Breguet hands. M. Cal. 502, rhodium-plated, fausses cotes decoration, 35 jewels, straight line lever escapement, monometallic balance, self-compensating balance spring, adjusted to five positions, shock absorber, index regulator, off-center gold rotor. Dial, case and movement signed. Diam. 36 mm. Thickness 9.5 mm.

24-Hour Jump-Hour Breguet, "Heures Sautantes", No. 42/400, Ref. 3339B. Made in a limited series of 400 examples in the 1990?s. Very fine and rare, jump-hour, self-winding, platinum wristwatch with an 18k white gold Breguet buckle.

C. Three-body, solid, polished and brushed, snap-on case back with concentric guilloché engraving, reeded band, straight curved lugs, screw bars, rounded stepped bezel, cabochon sapphire-set winding crown, sapphire crystal. D. Enamel, white with painted black Breguet numerals, aperture for the red 24-hour jump hour, inner minute division. Blued steel Breguet hand. M. Cal. 562, rhodium-plated, fausses cotes decoration, 25 jewels, straight line lever escapement, monometallic balance, shock-absorber, self-compensated flat balance spring, index regulator. Dial, case and movement signed. Diam. 36 mm. Thickness 7 mm.

Classic Breguet, movement No. 2875, No. 1703 A. Made in the 1970's. Fine and elegant, 18K yellow gold wristwatch with an 18K yellow gold Breguet buckle. Accompanied by a Breguet box.

C. Two-body, solid, polished and brushed, straight curved lugs with screw bars, reeded band, rounded bezel, snap-on case back with concentric guilloche decoration, cabochon sapphire-set winding crown, sapphire crystal. D. Guilloche two-tone silver, painted radial black Roman numerals on a plain reserve, outer minute division, subsidiary dial for the seconds. Blued gold Breguet hands. M. Cal. 81874, rhodium-plated, fausses cotes decoration, 18 jewels, straight line lever escapement, monometallic balance adjusted to five positions, shock absorber, self-compensating flat balance spring. Dial, case and movement signed. Diam. 32.5 mm. Thickness 6 mm.

Platinum Number One Jaeger LeCoultre, "Reverso, Platinum Number One", No. 4/500, Ref. 270.6.49. Made in a limited edition of 500 examples in 2002. Very fine and rare, rectangular, skeletonized, platinum reversible wristwatch with a platinum Jaeger LeCoultre deployant clasp. Accompanied by a fitted box and certificate.

C. Five-body, solid, polished and brushed, reeded bezel, cabochon sapphire-set winding crown, sapphire crystals. D. Transparent, blued steel feuille hands. M. Cal. 849R-SQ, skeletonized and hand-engraved, rhodiumplated, 19 jewels, straight line lever escapement, monometallic balance, shock-absorber, self-compensating flat balance spring, swan neck regulator. Case and movement signed. Dim. 36 x 26 mm. Thickness 10 mm. Property of a Swedish Collector

Quantième Perpétuel Jaeger-LeCoultre, "Reverso - Quantième Perpétuel Retrograde," No. 4/500, Ref. 270.2.55. Made in a limited edition of 500 pieces in 2000. Very fine and rare, rectangular, double-dial, 18K pink gold reversible wristwatch with perpetual calendar, moon phases, night and day indication, leap year, and an 18K pink gold Jaeger-LeCoultre link bracelet with concealed double deployant clasp. Accompanied by fitted box and certificates.

C. Five-body, solid, polished and brushed, reeded bezel, sapphire crystals. D. On one side, guilloche silver with painted Arabic numerals on a plain reserve, subsidiary dials for the seconds and the leap years, half moon-shaped aperture for the night and day indication at 1. Blued steel baton hands. On the other side, guilloche silver dial with off center dials for the days of the week and the months, retrograde sectors for the days of the month and the age of the moon with painted Arabic numerals, aperture for the moon phases. Blued steel épée hands. All functions can be adjusted independently from the other dial. M. Cal. 855, tonneaushaped, copper-colored, fausses cotes decoration, 39 jewels, straight-line lever escapement, monometallic balance adjusted to 5 positions, shock absorber, self-compensating flat balance spring. Dial, case and movement signed. Dim. 26 x 42 mm. Thickness 10 mm. Approx. overall length 170 mm.

Orrery Astrolabium Celestial Clock Christiaan Van der Klaauw, Joure, No. 41. Made in a limited edition of 50 pieces in 1992. Extremely fine and highly complicated, gilt brass and silver, astronomic, hour and half hour striking, 8-day going, foursided table clock with orrery, zodiac indication, length of months indication, triple date calendar, astrolabium with displaced zodiac circle for projection of the ecliptic, 24-hour analog dial for indication of the sun?s azimuth and altitude, moon orbit indication, dragon hand for eclipse prediction, number of week indication, year indication to 2001, sky charts of the northern and southern hemispheres with position indication and 24-hour indication. Accompanied by a fitted wooden traveling case with carrying handle and brass plaque.

C. Rectangular, polished and matte gilt brass, four-sided, outset ionic column at each corner, balustraded gallery above with a turned spire finial at each corner, armillary sphere supported by three solid silver seated Atlas figures, pierced zodiac band around the circumference, orrery inside the sphere with the planets and their moons mounted on six arms rotating around the central gold sun, silvered chapter for the zodiac and months with their respective number of days, central black pointer hand, the whole raised on a moulded base with bun feet. D. First: brushed silvered chapter ring with radial Roman numerals, half-hour markers, outer minute track, inner quarterhour track, subsidiary chapters for the date and months, scroll engraved gilt brass mask. Pierced black steel hands. Second: With painted sky chart of the Northern Hemisphere at 47 degrees NB and 0 degrees OL, elliptical brushed silvered border engraved ?Nordlicher Sternhimmel?, outer rotating ring for the months and star position, outer ring for 24-hours in Roman numerals, subsidiary silvered chapter below for the days of the week, scroll engraved gilt brass mask. Black steel arrow and beetle hands. Third: With painted sky chart of the Southern Hemisphere at 47 degrees ZB and 0 degrees OL, elliptical brushed silvered border engraved ?Sudlicher Sternhimmel?, outer rotating ring for the months and star position, outer ring for 24-hours in Roman numerals, subsidiary silvered chapter below for the maker?s signature, scroll engraved gilt brass mask. Black steel arrow hands. Fourth: Astrolabium, outer silvered chapter for the 24-hour analog dial for the sun?s azimuth and altitude with I-XII Roman numerals in each half, inner degrees of arc, the center engraved with stereographic projection of circular lines for the portion of the astrolabe above the horizon, pierced gilt brass displaced zodiac circle for projection of the ecliptic - the path of the sun and planets through the sky, and the plane of the earth's orbit, subsidiary chapters below for the number of the week and year indication. Black and gold hand for moon indication, sun hand for local time indication, dragon hand for eclipse prediction, black steel beetle hands for subsidiary dials. M. Mechanical, 8-day going, striking the hours and half-hours on a gong. Dial signed. Dim. 39 x 14 x 14 cm.

Atmos Aero Motor Demonstration Model Vacheron & Constantin ? LeCoultre Watches, Inc., No. 19324. Made in the 1950s. Fine and extremely rare, electric demonstration model of the Atmos Clock ?Aero Motor? bellows.

C. Gilt brass, glazed on 4 sides and on the top, polished and brushed, stepped plinth base with canted corners, spirit level in the base, mounted on a black painted and wood base, to the side a block mounted with a demonstration thermometer and illuminated arrows illustrating the rise and fall in temperature, the front of the base with an explanatory plaque, on/off switch at the back. D. Matte silvered, annular, applied gilt brass Arabic numerals and faceted dart indexes. Gilt brass dauphine hands. M. Gilt brass, the vacuum chamber shown in cross-section displaying the interior components. Case and movement signed. Dim. 34 x 36.5 x 29 cm.

Atmos ? Painted Lapis Dial LeCoultre, No. 429035. Made in the 1970s. Fine, rectangular, chrome and glass Atmos clock wound by barometric pressure changes.

C. Chromed, glazed on 4 sides and on the top, polished and brushed, stepped plinth base, leveling screws and spirit level in the base. D. Annular, painted in imitation of lapis lazuli, applied chromed dart and Arabic numerals. Chromed dauphine hands. M. Cal. 526-5, brushed and polished, vacuum chamber winding the going barrel, lever escapement driven by annular tension pendulum, locking lever above the pendulum disc, regulator at the top. Case and movement signed. Dim. 22 x 18 x 13.5 cm.

Atmos Vendôme Jaeger-LeCoultre, "Atmos Vendome", No. 289580. Made in the 1970's. Fine, rectangular, gilt brass, painted and glass Atmos clock wound by barometric pressure changes. Accompanied by the original fitted box and instruction booklet. To be sold without reserve

C. Gilt brass, glazed on 4 sides, polished and brushed, stepped base, four corner large pillars painted in imitation of green marble, leveling screws and spirit level in the base. D. Offwhite with painted black radial Roman numerals, outer minute divisions. Black Breguet hands. M. Cal. 528-8, gilt brass, vacuum chamber winding the going barrel, lever escapement driven by annular tension pendulum, locking lever in the base, regulator at the top. Dial and case signed. Dim. Height 24 cm., width 21 cm., depth 16.3 cm.