?Ref 18039B, ?Day-date, Tridor? Rolex Oyster Perpetual, Day Date, Superlative Chronometer Officially Certified, Tridor, Ref. 18039B. Made in 1985. Very fine and rare, center seconds, self-winding, tonneaushaped, water-resistant, 18K white and yellow gold gentleman's wristwatch with day, date, diamond-set dial and an 18K white, yellow and pink gold ?Tridor? President bracelet and deployant clasp.

C.Three-body, bicolor, massive, polished and brushed, screwed case back and crown, yellow gold faceted bezel, white gold case, sapphire crystal with ?cyclops? lens. D. Satiné champagne with applied eight brilliant and two baguette-cut diamond indexes, luminous dots, outer minute/ seconds divisions, apertures for the date and the day of the week. Luminous white gold "Bâton" hands. M. Cal 3055, rhodium plated, "fausses côtes" decoration, 27 jewels, straight line lever escapement, monometallic balance, shock-absorber, self compensating flat balance-spring. Dial, case and movement signed. Diam. 36 mm. Thickness 13 mm. Approx. overall length: 190 mm.

Ref. 1601 ?Lapis Lazuli Dial? Rolex Oyster Perpetual "DateJust" Superlative Chronometer Officially Certified, Ref. 1601. Made circa 1977. Fine, tonneau-shaped, center-seconds, selfwinding, water-resistant, 18K white gold gentleman's wristwatch with lapis lazuli dial and an 18K white gold President bracelet and deployant clasp.

C. Three-body, polished and brushed, screwed-down case back and crown, white gold faceted bezel, sapphire crystal with ?cyclops? lens. D. Lapis lazuli dial. White gold "Bâton" hands. M. Cal. 1570, rhodium-plated, 26 jewels, straight line lever escapement, monometallic balance adjusted to temperatures and 5 positions, shock-absorber, self-compensating Breguet balance spring. Dial, case and movement signed. Diam. 36 mm. Thickness 11,5 mm. Approx. overall length: 190 mm.

?Quarter Repeating à Toc? Breguet, No. 91/122. Begun circa 1775, entered in the books on November 7, 1791 under the No. 122. Very fine and very rare, early, 20K gold pocket watch with quarter repeating à toc.

C. Two-body, polished, by Gustave Mermillod (Mastermark). D. White enamel with Arabic numerals, outer dot minute divisions. Gold ?beetle and poker? hands. Gilt metal dial plate engraved ?No. 91?. M. 38 mm., gilt brass, full plate caliber, cylindrical pillars, fusee with chain, verge escapement, three-arm brass balance, foliate pierced and engraved continental type balance cock with polished steel endplate, blued steel flat balance spring, silver regulation disc, repeating with two hammers on the case activated by depressing the pendant. Dial and movement signed. Numbered 122 on the pillar plate under the hammer. The case with the Mastermark of Gustave Mermillod and punched with the mark of the Fermiers Generaux, Jean Baptiste Fouache et Domonique Compant, and the date letter ?L? in use between 16 July 1774 and 15 July 1775. Diam. 47 mm.

?Monsieur Betancourt? Breguet, No. 88. Sold to Monsieur Betancourt in an 6 (1798) for an unspecified sum. Made between an 4 and an 5 (1796 to 1797) at a cost of 1378 Francs. Very fine and very rare, silver and gold pocket watch with jump hours, grande sonnerie striking and quarter repeating.

C. Four-body, ?bassine unique?, by Joly, No. 833, polished, gold hinge and strike activation/ silence button in the pendant. Hinged silver cuvette. D. White enamel with Breguet numerals, outer minute track, slightly offset subsidiary seconds, secret signature below 12. Blued steel Breguet hands with open points. Gilt metal dial plate signed ?Breguet, No. 88?. M. 48 mm., 22''', full plate caliber, cylindrical pillars, two trains with spring barrels, cylinder escapement, three-arm brass balance, blued steel flat balance spring, index regulator, unpierced four-wheel Grande Sonnerie striking train striking on two gongs mounted inside the band, three position milled gold button on the pendant rotated clockwise to release the repeating, anti-clockwise to silence the striking, the middle position engages the strike train. Dial with secret signature, cuvette signed, case with Joly's Mastermark. Diam. 59 mm.

?Au Maréchal Ney? Breguet, No. 2121, sold to Maréchal Ney on February 10, 1813, for 3000 Francs. Extremely rare, fine and important, 18K gold, half quarter-repeating pocket watch constructed on the principals of the ?Garde-Temps?, with a short double-link gold chain and swivel seal engraved with the arms of Maréchal Ney.

C. Four-body, ?forme quatre baguettes?, by Tavernier, No. 3076, polished, the band engine-turned ?à grains d?orge?, the inside back cover engraved ?Maréchal Ney, 10 Février 1813?. Hinged gold cuvette. D. White enamel by Borel, No. 574, Breguet numerals, outer minute track, secret signature below 12, secured by a screw. M. 43 mm., 17???, frosted gilt, bar caliber, standing barrel, counterpoised straight line lever escapement with draw and long lever, jeweled train, bimetallic compensation balance with inset gold adjusting screws, pare-chutes on both pivots, blued steel Breguet balance spring, repeating on a single gong with one hammer activated by a pull-twist piston in the pendant. Dial and cuvette signed, case with Tavernier?s mastermark, movement punch numbered. Diam. 50 mm.

?Prince Grassilovill? Breguet, No. 2008, ?montre à médaillon?, sold to Prince Grassilovill, on November 12, 1806, for 1320 Francs. Very fine and very rare, 18K gold, small, montre de souscription with ruby cylinder escapement.

C. Three-body, ?forme collier? by Tavernier (Master mark), No. 2595, engine-turned with milled rims, the glazed back engine turned with a sunburst. Gold detachable cuvette with apertures for winding and regulation. D. Gold engineturned with radial Roman numerals on a brushed chapter ring, inner minute track with dot markers, centered with a sunburst, secret signature at 12. Blued steel Breguet ?lance? hand. M. 16???, gilt brass, ?souscription? caliber with central going barrel, overhanging ruby cylinder escapement, plain brass three-arm balance with pare-chute suspension, flat blued steel balance spring, blued steel regulator arm. Dial, cuvette and movement signed. Diam. 39 mm.

?Monsieur Castaneda? Breguet, No. 1238, montre à médaillon sold to Monsieur Castaneda on 6 Prairial an 12 (May 26, 1805) for 1500 francs. Very fine and rare gold, enamel and pearl set montre à tact. Accompanied by a Breguet certificate.

C. Three-body, "forme quatre baguettes", by Tavernier, No. 1959/1115, front cover with translucent pale green enamel over "sunburst" engine-turning, back with gold and seed pearl set arrow, reeded band with twelve pearl touch pieces (including the pendant), detachable polished cuvette with apertures for winding, setting, regulating and the dial, pendant set with seed pearls, loose ring. D. Silver, small, eccentric set in the cuvette aperture, Breguet numerals, outer minute dot divisions. Blued steel Breguet hands. M. 36 mm, gilt brass, souscription caliber with central barrel and five-wheel train, ruby cylinder escapement, plain three-arm brass balance, blued steel flat balance spring, blued steel regulator arm with arc terminal. Signed and numbered on the cuvette, case numbered and punched with Tavernier's mark. Diam. 40.5 mm.

?Monsieur Ouvrard / Comte Apraxin? Breguet, No. 680/3048, case No. 3048. Repetition à Ponts, sold to Monsieur Ouvrard on 10 Ventose, an 9 (February 28, 1801), for 1500 Francs, re-purchased and re-sold to Count Apraxin on April 1, 1818, for 1400 Francs. Very fine and rare, 18k gold quarter-repeating pocket watch with ruby cylinder escapement, short gold chain and key.

C. Four-body, ?Empire?, engine-turned. Hinged gold cuvette. D. Silver, engineturned, brushed chapter ring with radial Roman numerals, outer minute track with dot markers. Blued steel Breguet hands. M. 42 mm., frosted gilt, bridge caliber, standing barrel, ruby cylinder escapement, the escape wheel with jeweled pivots, three-arm brass balance, flat blued steel balance spring, bimetallic temperature compensation curb fitted to the index regulator, repeating with a single hammer on a gong activated by a pull-and-twist piston in the pendant. Dial and cuvette signed. Case and reverse of dial punch numbered. Diam. 47 mm.

?Monsieur J.G. Humann, Deputé du Bas Rhin? Breguet, Horloger de la Marine Royale, No. 3394, case No. 2386. Répétition à Ponts, sold to J.G. Humann, Deputé du Bas Rhin on December 12, 1821, for 2000 Francs. Very fine and very rare, large, half-quarter repeating pocket watch with duplex escapement, eccentric seconds, short gold chain and Breguet ratchet key

C. Four-body, ?Empire? by Joly, engine turned. Hinged gold cuvette. D. Silver, engineturned, brushed chapter ring with radial Roman numerals, outer minute track with dot markers, eccentric subsidiary seconds between 5 and 6. Blued steel Breguet hands. M. 52 mm., 23???, frosted gilt, souscription calibre, standing barrel, jeweled train, duplex escapement with ruby roller, three-arm brass balance, the top pivot with pare-chute, flat blued steel balance spring, bimetallic temperature compensation curb fitted to the index regulator, repeating with a single hammer on a gong activated by a pull-and-twist piston in the band between 1 and 2. Dial and cuvette signed. Case with Joly?s mark, case and reverse of dial punch numbered. Diam. 56 mm.

?Marquis de Langle? Breguet, No. 2754/444. Sold to the Marquis de Langle on November 28, 1814. for 840 Francs. Fine, 18K gold ?Montre de Souscription?, pocket watch with ruby cylinder escapement.

C. Three-body, ?Empire?, by Amy Gros (mastermark) No. 444, engine-turned with polished bezels. D. White enamel, Breguet numerals and outer minute track, secret signature below 12. Blued-steel ?Breguet Souscription? hand. M. 56 mm., (25'''), frosted gilt, ?souscription? caliber, central barrel wound from the front or back, overhanging ruby cylinder escapement, three arm brass balance, the top pivot with pare-chute, blued steel flat balance spring, temperature compensation curb fitted to the index regulator. Dial and movement signed and numbered, case numbered. Barrel bridge engraved ?No. 431?. Diam. 62 mm.

?A la Turque? Breguet et Fils, No. 2107/1385, sent to the Maison de Russie on April 23, 1810, sold by Moreau on December 31, 1810, for 1680 Francs. Very fine and rare 18K gold quarter-repeating watch with ruby cylinder escapement.

C. Three-body, ?Turque?, by Joly (Master mark), No. 1385, polished with reeded bezels, the back centered with an engraved crescent and star within a circle. Later gold-rimmed glazed cuvette. D. White enamel by Borel No. 323, with Islamic numerals and secret signature below 12. Blued steel Breguet hands. M. Glazed, 20???, gilt brass bar caliber with free standing barrel, Breguet overhanging ruby cylinder escapement, plain brass three-arm balance with pare-chute suspension, flat balance spring, blued steel regulator arm. Repeating on two short gongs with pull-twist piston through the pendant. Dial signed. Diam. 52 mm.

?Comte d?Otrante? Breguet, Hor.ger de la Marine Royale, No. 3455, case No. 2357. Repetition à Ponts, sold to the Comte d?Otrante on July 1, 1820, for 2110 Francs. Very fine and very rare, 18K gold jump hour half-quarter repeating pocket watch with ruby cylinder escapement and eccentric seconds.

C. Four-body, ?Empire? by Joly, engine turned. Hinged gold cuvette. D. Silver, engineturned, brushed chapter ring with radial Roman numerals, outer minute track with dot markers, eccentric subsidiary seconds between 5 and 6. Blued steel Breguet hands. M. 52 mm., frosted gilt, souscription caliber, standing barrel, jeweled train, overhanging ruby cylinder escapement with polished steel escape wheel, three-arm brass balance, the top pivot with pare-chute, flat blued steel balance spring, bimetallic temperature compensation curb fitted to the index regulator, repeating with a single hammer on a gong activated by a pull-and-twist piston in the band between 1 and 2. Dial and cuvette signed. Case with Joly?s mark, case and reverse of dial punch numbered. Diam. 56 mm.

?Montre Médaillon à Tact? Breguet No. 2732, sold to Louvrazoff on September 9, 1815, for 1700 Francs. Fine 18K gold, enamel and pearl-set montre médaillon à tact.

C. Three-body, ?forme collier?, No. B2732, both covers overlaid with translucent royal blue enamel, the front cover with eccentric ellipse pattern engine-turning, finely reeded bezel edges, revolving back cover with sunburst effect engine-turning, arrow à tact hand, cream enamel and gold paillon decorated band set with 11 pearl touch pieces, the elongated pearl-set pendant with loose bow forming the 12th. Detachable gold cuvette engraved ?Breguet N. 2732?, with apertures for the dial, winding, hand setting and the regulator. D. Silver, small, eccentric, mounted on the barrel bridge, radial Roman numerals and outer dot minute markers, engine turned center. Blued steel Breguet hands. M. 33 mm., 14???, gilt brass ?souscription? caliber with center barrel wound only from the front, five-wheel 45-hour going train, overhanging ruby cylinder escapement, threearm gold balance with pare-chute on the top pivot, flat blued-steel balance spring, blued steel regulation arm. Movement and cuvette signed and numbered, case numbered. Diam. 40 mm.

?Madame Polovtsoff? Breguet, No. 1083, sold to Madame Polovtsoff (Polovtsov) on December 28, 1893 for 2,400 Francs. Very fine and very rare, silver "hump-back", eight day going, Grande and Petite Sonnerie striking and repeating carriage clock with alarm, original silver-mounted key and the original Breguet gold-tooled red morocco traveling case.

C. Three-body, ?hump-back?, polished with hinged bezel and back door. Four bun-feet and silver chain handle. D. Silver with radial Roman numerals, outer minute track with five-minute Arabic numerals, concentric inner alarm setting ring with gold hand, engine-turned center. Blued steel "spade" hands. Gilt brass engine-turned dial plate with signature and number plaques. M. "Hump-back", 13 x 10.5 cm., full plate, cylindrical pillars, two going barrels for going and striking trains and barrel for the alarm, platform with straight line "moustache" lever escapement, cut bimetallic compensation balance with Breguet balance spring, quarter repeating and striking on two gongs, Grande and Petite Sonnerie/Silent selection lever on the backplate, repeating button on the top. Dial signed. Dim. Height 15,5 cm., width 12 cm.

?Pendule à trois roues ? Breguet et Fils, No. 1500, number 1 of a series of 10 made by the workshop of the Musée International d?Horlogerie of La Chaux-de-Fonds in 1986, in commemoration of the 200th anniversary of the invention of Breguet?s three-wheel clock. Exceptional and elegant marble and gilt brass eight day going weight-driven three-wheel skeleton table regulator with equation of time, Republican and Gregorian annual calendars and thermometer. Accompanied by glass dome.

C. Black marble rectangular base with canted corners, applied with gilt brass initial ?B?, gilt brass frame, the front bar engraved with the days of the week, back bar with spring-loaded bracket securing pendulum when moving the clock, gilt brass bun feet. D. Revolving large center silvered brass ring divided 2 times for 12 hours, with Arabic hour numerals, outer two-minute divisions with 10 minute Arabic markers, mean time indicated by a blued steel pointer at 9 o?clock, solar time indicated by gilt ?sun? pointer, small 10-minute silver sector on the front bar with 3-arm pointers for minute indications, seconds indicated by a silver ring attached directly to the escape wheel. Below annual calendar ring engraved on the outside for the Gregorian calendar and inside for the Republican calendar. Date indicator by a cord for the plumb bob. The days of the week are indicated by the upper edge of the weights against the day names on the front bar. Celsius silver thermometer sector mounted on the suspension bar with blued steel hand. M. 3-wheel train (300, 180/6, 60/6) driven by two weights suspended on a fusee-like chain wound on the main wheel arbor via two pulleys, equipped with Harrison?s maintaining power, pin-wheel escapement with teeth on one side of the escape wheel, recoil prevention fly mounted on the escape wheel arbor, knife-edge combined with jeweled needle-point suspension, unusual half-seconds gridiron pendulum with single steel rod and double gilt brass rods, rough adjustment on the rod, fine micrometric adjustment by the vase-shaped counter-weight mounted on the bimetallic compensation bar, bimetallic rod for the thermometer with calibration by sliding the vase-shaped counterweight, equation cam mounted on the annular wheel arbor with 3-lever transmission to the indications on the dial via adjustable plumb bob cord. Signed Breguet at the base, back fitted with a plaque from the Musée International d?Horlogerie. Dim. Height 60 cm, width of the base 31 cm.

?Precision Timekeeper with Equation of Time? Le Roy & Fils. Made circa 1820. Very fine and extremely rare, month?going, weight-driven, mahogany floor-standing regulator with dead-center seconds, equation of time, annual calendar, power reserve indicator and one-second beating grid-iron pendulum.

C. Mahogany, ?Empire?, flat pediment above a moulded and stepped cornice, rectangular body with glazed sides and hinged and sprung glazed door with a lock, panelled plinth with concave mouldings and stepped base, the weight concealed within a channel between the backboard of the case and the outer back, two rear doors providing access. D. 18.5 cm., white enamel, convex with radial Roman numerals, inner hour track with 12- minute divisions, outer minute and seconds track, gilt bronze bezel engine turned and finely chased with stiff-leaf decoration. Gilt brass hour and minute hands, blued steel seconds and solar time hands. Brass aperture beneath the dial with silvered annual calendar dial calibrated for the months and their respective symbols, Arabic 10-day numerals, baton 5-day markers and dot date markers. M. Rectangular, gilt brass, arch-top, massive, four massive cylindrical pillars and secured to the gilt brass backplate by four further pillars, with pulley and massive arch-top flat weight set outside and wound through an intermediate gear through the great wheel, providing drive directly to the great wheel mounted at the top of the movement, 5-wheel train, Harrison?s maintaining power, Graham dead-beat escapement with micrometric depth adjustment and micrometric beat adjustment on the crutch, 9-rod brass-iron gridiron pendulum with very heavy bob and micrometric adjustment, knife-edge suspension set on a bracket mounted directly to the back plate panel, power reserve indicator with gilt brass arrow hand. The equation hand and calendar driven from the hour wheel and geared to the equation cam, a roller traces the outline of the cam and drives a rack and pinion which automatically sets the solar time hand to the correct time difference to meantime. Dial signed. Dim. 206 x 49 x 29 cm.

?Precision Timekeeper? French, Napoléon III period. Made circa 1850. Very fine, ebonised, month going, dead center seconds, weight driven wall regulator with deadbeat escapement and gridiron pendulum with temperature indication.

C. Ebonised, shaped pediment with moulded cornice, three finials and applied gilt-bronze bacchus mask, shaped and glazed hinged door and glazed sides, outset finials at the top and base, applied gilt-bronze paterae. D. White enamel with radial Roman numerals, outer minute track, moulded gilt-bronze bezel. Blued steel ?Breguet? hour and minute hands, arrow seconds hand. M. Massive, gilt brass shaped plates, four massive cylindrical pillars, five wheel train, the wheels with five crossings, maintaining power, deadbeat escapement with jewelled pallets, crutch with beat adjustment and blued steel banking pins, 9-rod gridiron pendulum with temperature indication calibrated from 0-25, separate suspension mounted on a massive brass plate on the backboard, massive brass bob with regulation wheel. Dim. 187 x 58 x 23 cm.

?Lyre Clock? Vincent a Paris. Made circa 1805. Fine and elegant, early Empire gilt bronze, white marble, enamel and paste set hour and half-hour striking 8-day going mantel clock.

C. Finely cast and chased gilt bronze, lyre shaped, surmounted by a pair of opposing eagles heads and a sunburst and flower mask, laurel branch side mounts, sunburst surrounding the dial, blue enamel and paste set bezel, with flower swag, bacchus mask and beaded mounts, raised on hairy paw feet. D. White enamel dial with radial Roman numerals, outer minute track with Arabic 15 minute numerals, blue, white and red painted central rosette. Gilt brass fleur-de-lys hands. M. 102 mm., circular, brass, cylindrical pillars, going barrels for the going and striking trains, anchor escapement, silk suspension, pendulum with brass bob, outside countwheel striking on a bell. Dial signed. Dim. 65 x 22.5 cm.

?Torsion Pendulum, One-Year Going? Patent L. Jehlin, Sackingen, a/R. Made circa 1890. Fine and very rare, ebonyzed, one-year going wall clock with torsion pendulum.

C. Moulded cresting with two turned finials, rectangular body with glazed sides and hinged door, stepped moulded base terminating in a finial, micrometer wall levelling screws. D. White enamel, two-piece, radial Roman numerals, outer minute track. Pierced steel hands. M. Rectangular, gilt brass, inverted, four cylindrical pillars, year-going, spring barrel, four wheel train, small anchor escapement, the crutch giving impulse to a steel rod fastened at right angles to the torsion wire and beating every 15 seconds as the pendulum swings in a circular arc, brass and steel ?A? frame pendulum with central regulation wheel and two weighted silvered glass balls. Signed on a white enamel plaque on the backboard. Dim. 110 x 32 29 cm.

"P.A.M. 189 Luminor Chrono White Gold" Officine Panerai, Firenze 1860, "Luminor Chrono White Gold", No. G121/200, OP6608, Ref. PAM00189. Made in a limited edition of 200 examples in 2004. Very fine and rare, oversized, cushion-shaped, water-resistant to 200 meters, 18K white gold diver?s wristwatch with square button chronograph, register, tachometer and a stainless steel and white gold Officine Panerai deployant clasp.

C. Three-body, polished, screwed-down case back, inclined bezel with engraved tachometer scale, straight lugs, patented winding crown for submersible winding, security lever with integrated titanium chronograph buttons, sapphire crystal. D. Black with painted white Arabic numerals and luminous baton indexes, subsidiary silver dials for the seconds and the 30-minute register. Luminous "bâton" hands. M. Cal. OPXVI, 12???, rhodium-plated, power reserve of 48 hours, "fausses-côtes" decoration and bridges personalized Panerai, 18 jewels, straight-line lever escapement, monometallic balance, shock- absorber, self-compensating flat balance-spring. Dial, case and movement signed. Diam. 40 mm. Thickness 16 mm.