Fra. Perigal, Royal Exchange, London, No. 20043, with London hallmarks for 1791. Very fine 18 ct. gold and enamel, pearl and gem-set pair cased watch.

C. Outer double body 'vith scallop edge, internai border with blue and white champleve enamelled decoration and set with small diamonds, the bezels set with alternate split-pearls and rubies, the )_rack of blue enamel over engine-turning. Inner double body, polished. Giit brass dust-cap. D. White enamel with Roman numerals, outer Arabic minute ring and subsidiary seconds. Gold arrow hands. M. Hinged gilt brass with cylindrical pillars, fusee with chain, cylinder escapement, plain steel three-arm balance, flat balance spring, pierced and engraved gilt brass cock with diamond end-stone, the back plate with applied gilt brass panel chased with a floral and foliage decoration. Signed on the back plate. In very good condition. Diam. 51 mm.

Richard Clarke, London, No. 2667, with London hallmarks for 1791. Fine 18 ct. gold and enamel pair cased, pearl-set watch.

C. Outer double body, with split-pearl set bezels, the back of blue translucent enamel over engineturning (slightly restored). Inner double body, bassine, polished. D. White enamel vvith radial Arabic numerals. Gold arrow hands. M. Hinged gilt brass full plate with cylindrical pillars, fusee with chain, verge escapement, plain steel threearm balance, flat balance spring, gilt brass English cock with diamond end-stone. Signed on the back plate. In ver), good condition. Diam. 49 mm.

Thos. Gray, Sackville Street No. 1941, English, circa 1780. Fine 18 ct. gold and enamel, pearl and diamond set watch.

C. Double body, Louis XVI with split-pearl set bezels, the back of blue translucent enamel over engine-turning, centred with an applied shell cameo blank escutcheon in a diamond set frame. D. White enamel with radial Arabic numerals. Gold "heart" hands. M. Hinged gilt brass full plate with column pillars, fusee with chain, verge escapement, plain steel three-arm balance, flat balance spring and gilt brass English cock. Signed on the back plate. In very good condition. Diam. 47 mm.

Rob. Best, Royal Exchange, London, No. 1033, circa 1780. Fine 18 ct. gold and enamel watch.

C. Double body, Louis XVI, the bezels with vine leaf decoration over a blue enamel ground (slightly restored), the back of blue translucent enamel over engine-turning. D. White enamel with Roman numerals and outer Arabic minute ring. Gold " pear" hands. M. Hinged gilt brass full plate with column pillars, fusee with chain, verge escapement, plain steel three-arm balance, flat balance spring and gilt brass English cock. Signed on the back plate. hl very good condition. Diam. 47 mm.

Not signed (Geneva), circa 1800. Extremely fine 18 ct. gold and enamel pearl and diamond set watch, quarter repeating on built-in bells, with matching chatelaine.

C. Double body Directoire with pearl set bezels, the back of blue translucent enamel over engineturning with inlaid bunch of split-pearl flowers in a rose-diamond inlaid basket. Matching gold and enamel pearl set and rose-diamond inlaid chatelaine. D. White enamel with Arabic numerals. Gold Breguet hands. M. Hinged gilt brass, special calibre with built-in bells, the train of wheel with going barrel set on their border, cylinder escapement, flat balance spring with regulator. Repeating on two bells. In very good condition. Diam. 54 mm.

Robert et Courvoisier, (Chaux-de-Fonds) Swiss, No. 88593, circa 1795. Fine and rare, 18 ct. gold, early dead centre seconds stop-watch with special escapement.

C. Double body, Louis XVI, polished with glazed back. D. White enamel with Breguet numerals and outer minute and seconds ring. Gold Breguet hands. M. Hinged gilt brass full plate with cylindrical pillars, fusee with chain, Pouzait lever escapement with extra large plain gold four-arm balance, flat balance spring with regulator, extra large skeletonised gilt brass cock covering the back plate, with diamond end-stone. Knurled setting wheel and stop-watch lever, in the gilt brass dial plate. Signed on the dial and the cock. In very good condition. Diam. 57 mm. During the last quarter of the XVIIIth century, several watchmakers tried to produce watches with dead centre seconds hands, much in favour among the scientists and in the Chinese market. The attempt made by Moïse Pouzait with a lever escapement associated with a large seconds beating balance, thanks to its spectacular aspect, was much appreciated on the Chinese market in spite if its inertia sensitivity, before the invention by jacot of the so-called "Chinese duplex" escapement enabling the production of dead centre second watches.

Breguet & Fils, No. 14705, Swiss, certainly made by Decombaz, circa 1820. Fine 18 ct. gold, minute repeating, hour and quarter striking clock-watch.

C. Three body, Empire with reeded band, the back engraved with a rosette, centred with a stl, a figure of Chronos chased on the border with other symbols. Hinged gilt brass cuvette. D. Gold with Roman numerals on a polished chapter, the centre chased with foliage and a garland of flowers against amati ground. Blued steel "spade" hands. M. Gilt brass full plate double train with cylindrical pillars, going barrel both on the going and the striking trains, cylinder escapement, plain gold three-arm balance, flat balance spring with regulator. Quarter striking on gongs. Minute repeating on gong, by depressing the pendant with an independent train. Signed on the dial and cuvette. In vert' good condition. Diam. 58 mm.

Breguet No. 218, sold to John Magnin & Cie in New York on 7 January 1837, for 1395 Francs. Very fine and elegant 18 ct. gold, inking chronograph Compteur de pointage.

C. Double body "forme quatre baguettes" engineturned, by Tavernier (master mark), No. 145. D. White enamel, regulator type with centre seconds, small subsidiary chapter ring for hours and minutes. Blued steel Breguet and inking bands. M. 19-, gilt brass, inverted bar calibre with going barrel, female winding square, ruby cylinder escapement of conventional type, plain gilt brass three-arm balance and blued steel flat balance spring. Inking chronograph with pulltwist piston through the pendant and boit in the bad. Breguet secret signature on the dial, numbered inside the back. In very good condition, with later gold Breguet male ratchet key, in contemporary rose-wood fitted box . Diam. 49 m m .

Rolex Oyster Chronograph "Anti-magnetic", Ref. 6036, produced in 170 examples in yellow gold, 144 examples in pink gold and very few examples in stainless steel, between 1951 and 1953. Very fine tonneau shaped, waterproof, stainless steel gentleman's wristwatch with round button chronograph, registers and triple date.

C. polished, satined, screwed pack and crown. D. white with applied gold indexes and Arabic numerals + auxiliary dials for the seconds, the 12 hours and 30 minutes registers, outer graduation for the days of the month, apertures for the days of the week and the months. "Alpha" gold hands. M. 13"' rhodiumed, 17 jewels, lever escapement, monometallic balance, self-compensating Breguet balance-spring. Dial, case and movement signed. In excellent condition. Diam. 36 mm.

Rolex Oyster Chronograph "Antimagnetic", Ref. 6234, 1960 's. Very fine tonneau shaped, waterproof, 18 ct. gold gentleman's wristwatch with round button chronograph, registers, tachometer and telemeter.

C. massive, polished, satined, screwed back and crown. D. mat silver with applied gold indexes + auxiliary dials for the seconds, the 12 hours and 30 minutes registers, outer tachometer and telemeter graduations. "Alpha" radiumed gold hands. M. 13"' rhodiumed, 17 jewels, lever escapement, monometallic balance, antishock system, self-compensa ting Breguet balance-spring. Dial, case and movement signed. hl excellent condition. Diam. 35 mm.

Rolex Oyster Chronographe, "Anti-Magnétique", Ref. 6036, produced in 170 examples in yellow gold, 144 examples in pink gold and very few examples in stainless steel, from 1951 to 1953. Very fine tonneau shaped, waterproof, 18 ct. gold gentleman's wristwatch with round button chronograph, registers and triple date.

C. massive, polished, screwed back and crown. D. plat silver with applied gold indexes + auxiliary dials for the seconds, the 12 hours and 30 minutes registers, outer graduation for the days of the month, apertures for the days of the week and the months. "Alpha" gold hands. M. 13"' rhodiumed, 17 jewels, lever escapement, monometallic balance, antishock system, self-compensating Breguet balance-spring. Dial, case and movement signed. In very good condition. Diam. 36 mm.

Rolex "Antimagnetic", Ref. 3335, for Astrua, the first model of chronograph with 30 minutes and 12 hours registers to be produced by Rolex in 1939. Very fine and rare 18 ct. pink gold gentleman's wristwatch with square button chronograph, registers, tachometer and telemeter with 18 ct. pink gold bracelet.

C. massive, polished, satined. D. pink with painted Arabic numerals and indexes + auxiliary dials for the seconds, the 12 hours and 30 minutes registers, outer tachometer and telemeter graduations. " Feuille" blued steel bands. M. 14'/2"' rhodiumed, 17 jewels, lever escapement, monometallic balance, self-compensating Breguet balance-spring. Dial, case and movement signed. In very good condition. Diam. 36 mm.

Rolex Oyster Perpetual, Officially Certified Chronometer, Ref. 6062, produced in stainless steel, 350 examples in yellow gold and 50 examples in pink gold from 1950 to 1953. Very fine and rare, tonneau shaped, waterproof, astronomic, self-winding, 18 ct. pink gold gentleman's wristwatch with triple date and moon phases.

C. massive, polished, screwed back. D. mat silver with applied gold indexes. + auxiliary seconds dial, outer graduation for the days of the month, apertures for the days of the week, the months and the lunations. "Alpha" radiumed gold hands. M. 9 " ' rhodiumed, 19 jewels, lever escapement, monometallic balance, self-compensating Breguet balance-spring. Dial, case and movement signed. In very good condition. Diam. 36 mm.

Rolex Perpetual, Officially Certified Chronometer, Ref. 8171, produced in 1000 examples from 1949 and 1952. Rare and very fine astronomic, 18 ct. pink gold gentleman's wristwatch with triple date and moon phases, and with 18 ct. pink gold Oyster bracelet.

C. massive, polished. D. mat silver with applied gold indexes + auxiliary seconds dial, outer graduation for the days of the month, apertures for the days of the week, the months and the lunations. "Alpha" pink gold hands. M. 11 '/a "' rhodiumed, 19 jewels, lever escapement, monometallic balance, self-compensating Breguet balance-spring. Dial, case and movement signed. In excellent condition. Diam. 38 mm.

Not signed, attributed to Piguet & Capt, Geneva, circa 1810. Fine and rare 18 ct. gold and enamel, pearl-set musical watch with automaton, designed as an escutcheon.

C. Double body with split-pearl set borders, the hinged cover set with an enamel panel painted with a figure of Urania, the Muse of Astronomy, the back panel with a bunch of flower on a blue ground. D. Gold escutcheon shape, the small eccentric chapter ring with Arabic numerals chased above with an automaton reclining figure of Orpheus, playing the lute, driven by the musical train. Bluecl steel "spade" bands. M. Gilt brass shaped, double train, the going train with going barrel, cylinder escapement, plain brass three-arm balance, flat balance spring. Musical train with pin-barel and two groups of stacked steel blades (4+2), the barrel cover set with a cam driving the automaton's arm. hl very good condition. Dim. 40x37mm.

Not signed, Geneva, circa 1810. Very fine and unusual 18 ct. gold and enamel, pearl-set pendant watch designed as doves, lying on a bow and arrow, holding a wreath of flowers above a hanging wedding ring.

C. Three body, the bow set with split-pearls, spring loaded doves disclosing the dial, the back of dark blue enamel, centred with a pearl inlaid rosette. D. White enamel with Breguet numerals. Gold " spade" hands. M. Hinged gilt brass full plate with cylinder pillars, fusee with chain, verge escapement, plain brass three-arm balance, gilt brass continental cock with polished steel endstone. In vert' good condition. Dim. 100 x 72 mm.

Not signed, attributed to Piguet & Capt, Geneva, circa 1810. "The Pit Sawyers". Fine and rare 18 ct. gold and enamel watch with an automaton scene.

C. Three body, Empire, with glazed back, the bezels and pendant with champlevé enamelled decoration (slightly restored). Fine and unusual varicoloured gold automaton scene on the back depicting pit sawyer planking a log, applied on a painted enamel mountain landscape (slightly restored), a water mill on the right, driven by a water fall simulated by spinning rods, a sitting lady with a sheep on the foreground. The noise of the saw is realistically simulated by that of the automaton mechanism. D. White enamel with Breguet numerals (slightly restored). Cohl half moon bands. M. Gilt brass full plate, double train with cylindrical pillars, going train vvith fusee and chain, verge escapement, plain brass three-arm balance, flat balance spring and regulator. The automaton train with going barrel. In ver)' good condition. Diam. 58 mm.

Not signed, Geneva, made for the Chinese market, circa 1810. Very fine and extremely rare 18 et gold and enamel, pearl-set snuff bottle, the cap with a builtin watch, suspended from a double short gold chain.

C. The bottle of cobalt blue enamel with split pearl inlaid palm-leaf chased decoration and blue and white champlevé enamel ornements. The cap with gold spatula and and built-in watch, split pearl set bezel, the band with champlevé enamelled decoration. D. White enamel with Roman numerals. Gold "spade" hands. M. Hinged gilt brass full plate with cylindrical pillars, going barrel, cylinder escapement, plain steel three-arm balance, flat balance spring and regulator. In very good condition. Dim. 59 x 47 mm.

Patek Philippe & Cie, Genève, No. 813864 case No. 620424, circa 1927. Extremely fine and rare 18 ct. white and pink gold gentleman's wristwatch with extensive lugs.

C. bicolour, massive, polished, pink gold bezel, la teral band, winding-crown and back, decorated with a white filet in half circle surrounding the dial and the inferior lugs. D. black with applied white gold indexes and Arabic numerals + auxiliary seconds dial. "Feuille" white gold hands. M. 9 - rhodiumed, " fausses côtes" decoration, 18 jewels, lever escapement, cut bimetallic balance adjusted to 8 positions, flat balance-spring. Dial, case and movement signed. In very good condition. Dim. 25 x 38 mm.

Patek Philippe & Cie, Genève, No. 862047, case No. 617536, circa 1943. Very fine and very rare, 18 ct. pink gold gentleman' s wristwatch with square button chronograph and register.

C. massive, polished satined. D. mat silver with applied gold Arabic numerals and painted indexes + auxiliary seconds and 30 minutes register dials. " Feuille" gold hands. M. 13- rhodiumed, "fausses côtes" decoration, 23 jewels, lever escapement, monometallic balance adjusted to 8 positions, selfcompensa ting Breguet balance-spring, micrometer regulator. Dial, case and movement signed. hl excellent condition. Diam. 33 mm.

Patek Philippe & Cie, Genève, No. 867894, case No. 661080, Ref. 1518, lst series, produced in 281 examples froin 1941 to 1954, made in 1950, sold on the 7 December 1951. Very fine and rare astronomie, 18 ct. gold gentleman's wristwatch with square button chronograph, register and tachometer, and perpetual calendar and moon phases.

C. massive, polished, concave bezel. D. mat silver with applied gold Arabic numerals + auxiliary seconds and 30 minutes register dials, outer tachometer graduation, graduation for the days of the month, apertures for the days of the week, the months and the lunations. "Feuille" gold hands. M. 13- Q rhodiumed, "fausses côtes" decoration, 23 jewels, lever escapement, monometallic balance adjusted to 8 positions, self-compensating Breguet balance-spring, micrometer regulator. Dial, case and movement signed. In excellent condition. Diam. 35 mm.

Not signed, attributed to Frères Rochat, made for the Chinese market, sold for 136 Guineas, circa 1815. Magnificent and rare 18 ct. gold and enamel, pearl set singing bird box with independent music, in original red Morocco fitted box, the invoice stuck inside.

C. Four body rectangular, the bottom and sicle panels of translucent blue enamel over engineturning (slightly restored), borders with champlevé floral decoration on a blue ground. The musical box side cover opening on the location for the key, the lid of the patch box with split pearl set bezel, set with an enamel panel painted with a Cupid making a secret gesture. The symmetrical singing bird cover painted with a Cupid archer. M. Gilt brass musical movement with pin-barrel and twin groups of Pive stacked steel blades. Small square gilt brass full plate singing bird mechanism, fusee with chain, stacked cams, fly regulator and external rectangular Bellow. In good condition. Dim. 84 x 47 x 19 mm.

Not signed, attributed to Moulinié, Bautte & Cie, Geneva, made for the Chinese market, circa 1810. Very fine and rare 18 ct. gold and enamel, pearl and diamond-set, coinbined watch and perfume sprinkler in foret of a pistol.

C. The grip of translucent scarlet enamel over engine-turning with split-petrls set borders, the watch concealed on the end of the butt, the cover with rose-diamond set border, chased with decoration and centred with an emerald. Diamond-set back centred with an opal cabochon. Gold plates, finely chased with a dog on one face, a rabbit on the reverse and framed with rosediamonds. The barrel of cobalt blue translucent enamel over engine-turning, decorated with paillonne scroll design simulating damascene work. The perfume is spread out through the pistils of a gold lotus flower with enamelled petals, which is shot out of the barrel, released by the percussion of the diamond-set hammer when the trigger is depressed. D. White enamel with Roman numerals. Blued steel "spade" bands. M. Gilt brass full plate with cylindrical pillars, fusee with chain, verge escapement, plain bass threearm balance, flat balance spring, gilt brass continental cock with polished steel end-piece. In ver), good condition in a later red leather fitted box. Dim. 111 x 55 mm. Estima te : ****