Ilbery, London, No. 6249, Swiss, made for the Chinese market, circa 1815. Very fine 18 ct. gold and enamel, pearl set, centre seconds watch, with special escapement.

C. Double body, Empire, with fixed bezel, the band with a fine champleve enamel enamelled floral decoration on a black ground, split-pearl set bezels pendant and bow with a champleve enamelled decoration, the back enamel panel painted with a family scene, a young couple presenting a peach to his child(slightly restored on the border). Hinged gold cuvette engraved with decoration. D. White enamel with Roman numerals, outer minute ring and subsidiary seconds. Gold "spade" hands. M. 22"', gilt brass, Chinese calibre, with free standing barrel, entirely engraved, single wheel duplex escapement, plain polished steel five-arm balance, flat balance spring with regulator and diamond end-stone. Signed on the movement. In very good condition. Diam. 58 mm.

Ilbery, London, No. 6626, Swiss, made for the Chinese market, circa 1820. Very fine 18 ct. gold and enamel centre seconds watch with special escapement, in original red Morocco fitted box.

C. Double body with fixed bezel, of the type used for watches made for the Chinese market, bezels and pendant with champleve enamelled decoration, the back enamel panel painted with a family scene, with a sitting gentleman surrounded by his wife, three children and a dog (slightly restored on the border). Hinged gold cuvette. D. White enamel with Roman numerals and outer minute ring. Gold "heart" bands. M. 22"', gilt brass, Chinese calibre, with engraved free standing barrel and bridges, single wheel duplex escapement, plain polished steel five-arm balance, flat balance spring with regulator and diamond end-stone. Signed on the movement. In very good condition. Diam. 57 mm.

Ilbery, London, No. 6015, Swiss, made for the Chinese market, circa 1810. Fine 18 ct. gold and enamel, pearl set, centre seconds watch with special escapement.

C. Double body, Empire, with split-pearl set bezel, pendant and bow, the back panel of blue enamel, with champleve basket of flowers and cornucopias, painted with children playing with a dove below a Cupid on a cloud (restored). Hinged gold engine-turned cuvette. D. White enamel with Roman numerals and subsidiary seconds. Gold fancy bands. M. Gilt brass, fully engraved Chinese calibre with free standing barrel, single wheel duplex escapement, plain steel five-arm balance, flat balance spring with regulator, diamond endstone. Signed on the movement. In good condition. Diam. 60 mm.

Ilbery, London, No. 7091, Swiss, made for the Chinese market, circa 1840. Fine 18 ct. gold and enamel, pearl set, centre seconds watch with special escapement.

C. Double body, Empire, with split-pearl set bezel, pendant and bow, the band with chased decoration, the enamel back panel painted with a fine allegory about temptation: a young and pretty lady is forced to choice between money and honours with an old man and love with a troubadour. Hinged gilt brass cuvette. D. White enamel with Roman numerals and outer minute and seconds ring. Gold "spade" hands. M. Gilt brass, fully engraved Chinese calibre with free standing barrel, single wheel duplex escapement, plain steel five-arm balance, flat balance spring with regulator, diamond end-stone. Signed on the movement. In very good condition. Diam. 60 mm.

Rare and important collection of three minute repeating "grande sonnerie" clock-watches, by Louis Elisée Piguet, made for the Chinese market, the enamel painted by Louis Rosselet. Louis Elisée Piguet, No. 2746, retailed by Schwob Frères & Co., Chaux-de-Fonds, Swiss, case No. 47743, circa 1900. Very fine 18 ct. gold and enamel hunting cased, pearl set, keyless, t r i p l e c h i n e , "grande sonnerie", minute repeating clock-watch.

C.Four body, "bassine et filets" with split pearl set bezels, the band with red and white champleve enamelled decoration over a green ground, cover and back with enamel panels painted by Louis Rosselet, the cover with a very fine sea-side landscape, a peacock in flowers on the foreground, the back with another landscape embellished by a harbour and a lighthouse. Hinged gold cuvette engraved with technical details. D. White enamel with Roman numerals and sunk subsidiary seconds. Blued steel "pear" hands. M. Glazed, 19"', gilt brass, double train with differential winding, 32 jewels, counterpoised straight line lever escapement, cut bimetallic balance, Breguet balance spring. Striking and repeating on three gongs with three hammers, push piece in the band, strike/silent optional lever on the bezel's border. Signed and numbered by the maker beneath the dial on the back plate and by the retailer on the dial and cuvette. In very good condition. Diam. 57 mm. This watch is illustrated by Alfred Chapuis in La Montre Chinoise, page 213. Louis Elisée Piguet, Nos. 2801 and 2878, case Nos. 46276 and 46293, circa 1905. Two almost identical 18 ct. gold and enamel, pearl set, centre seconds minute repeating, " grande sonnerie" clock-watches. C. Four body, "bassine et filets" with split pearl set bezels, the band with champleve decoration over a green translucent enamel ground, the back with enamel panels painted by Louis Rosselet, with very fine sea-side landscapes, matching that of the previous watch. Hinged gold cuvette engraved with technical details. D. White enamel with Roman numerals. Gold fancy hands. M. 19"', gilt brass, double train with going barrels wound separatly, 31 jewels partly in screwed settings, counterpoised straight line lever escapement, cut bimetallic balance, Breguet balance spring. Striking and repeating on two gongs with two hammers, push piece in the band, strike/silent optional lever beneath the bezels. Signed and numbered beneath the dial on the back plate. In very good condition. Diam. 55 mm. Lot of 3.

Patek Philippe & Cie, Genève, "Calatrava", No. 701214, case No. 304525, circa 1950. Very fine centre second, 18 ct. gold gentleman's wristwatch.

C. massive, polished. D. mat silver with applied gold indexes. "Bâton" gold hands. M. 27-SC Geneva Quality Hall Mark, rhodiumed, "fausses côtes" decoration, 18 jewels, lever escapement, cut bimetallic balance, antishock system, selfcompensating Breguet balance-spring, micrometer regulator. Dial, case and movement signed. In very good condition. Diam. 31 mm.

Patek Philippe & Cie, Genève, "Calatrava", No. 928418, case No. 300210, circa 1947. Very fine 18 ct. gold gentleman's wristwatch.

C. massive, polished. D. mat silver with applied gold indexes + auxiliary seconds dial. "Dauphine" gold bands. M. 12"' - 120, rhodiumed, "fausses côtes" decoration, 18 jewels, lever escapement, monometallic balance adjusted to heat, cold isochronism and 5 positions, self-compensating Breguet balance-spring, micrometer regulator. Dial, case and movement signed. In very good condition. Diam. 30 mm.

Patek Philippe & Cie, Genève, " Calatrava", No. 701240, case No. 304551, circa 1950. Very fine centre second, 18 ct. gold gentleman's wristwatch.

C. massive, polished, satined. D. mat silver with applied gold indexes. "Bâton" gold hands. M. 27- SC, rhodiumed, "fausses côtes" decoration, 18 jewels, lever escapement, cut bimetallic balance, antishock system, Breguet balance-spring. Dial, case and movement signed. hi very good condition. Diam. 31 mm.

Patek Philippe & Cie, Genève, No. 867059, case No. 650051, Ref. 130, circa 1946. Very fine and rare, small, 18 ct. gold gentleman's wristwatch with square button chronograph and register, and fitted box.

C. massive, polished, concave bezel. D. mat silver with applied gold Breguet numerals + auxiliary seconds and 30 minutes register dials. "Spade" gold hands. M. 13"', rhodiumed, "fausses côtes" decoration, 23 jewels, lever escapement, monometallic balance adjusted to 8 positions, selfcompensating Breguet balance-spring. Dial, case and movement signed. In excellent condition. Diam. 33 mm.

Patek Philippe & Cie, Genève, No. 974692, case No. 671388, Ref. 1588, circa 1953. Very fine and rare "pagoda shaped", 18 ct. gold gentleman's wristwatch.

C. massive, polished. D. mat silver with applied gold indexes and Roman numerals + auxiliary seconds dial. "Bâton" gold hands. M. 9"' - 90 tonneau, rhodiumed, "fausses côtes" decoration, 18 jewels, lever escapement, cut bimetallic balance, Breguet balance-spring, micrometer regulator. Dial, case and movement signed. In very good condition. Dim. 23 x 38 mm.

Patek Philippe & Cie, Genève, No. 836715, case No. 634252, circa 1944. Very fine and rare rectangular, 18 ct. gold gentleman's wristwatch.

C. massive, polished, stepped hooded lugs, monogrammed back. D. mat silver with applied gold indexes + auxiliary seconds dial. "Bâton" gold hands. M. 9'° - 90 tonneau, rhodiumed, "fausses côtes" decoration, 18 jewels, lever escapement, monometallic balance adjusted to heat, cold isochronism and 5 positions, self-compensating Breguet balance-spring, micrometer regulator. Dial, case and movement signed. In very good condition. Dim. 21 x 37 mm.

Patek Philippe & Cie, Genève, No. 836380, case No. 633282, circa 1944. Very fine rectangular curved, 18 ct. gold gentleman's wristwatch.

C. massive, polished, "bombé" crystal. D. mat silver with applied gold indexes and Roman numerals + auxiliary seconds dial. "Bâton" gold hands. M. 9"' - 90 tonneau, rhodiumed, "fausses côtes" decoration, 18 jewels, lever escapement, cut bimetallic balance, Breguet balance-spring, micrometer regulator. Dial, case and movement signed. In very good condition. Dim. 22 x 39 mm.

Patek Philippe & Cie, Genève, No. 973758, case No. 511993, Ref. 2443, circa 1952. Very fine and rare rectangular, 18 ct. gold gentleman's wristwatch.

C. massive, polished, satined, overhanging straight lugs. D. mat silver with applied gold indexes + auxiliary seconds dial. "Bâton" gold hands. M. 9"' - 90 tonneau, rhodiumed, "fausses côtes" decoration, 18 jewels, lever escapement, Giromax balance adjusted to heat, cold isochronism and 5 positions, self-compensating Breguet balancespring, micrometer regulator. Dial, case and movement signed. In very good condition. Dim. 26 x 40 mm.

Patek Philippe & Cie, Genève, No. 839126, case No. 643532, 1940's. Very fine and rectangular, 18 ct. gold gentleman's wristwatch.

C. massive, polished, stepped hooded lugs. D. mat silver with applied gold indexes + auxiliary seconds dial. "Feuille" gold hands. M. 9"' - 90 tonneau, rhodiumed, "fausses côtes" decoration, 18 jewels, lever escapement, monometallic balance adjusted to heat, cold isochronism and 5 positions, self-compensating Breguet balance-spring, micrometer regulator. Dial, case and movement signed. hn very good condition. Dim. 24 x 36 mm.

Patek Philippe & Cie, Genève, No. 868291, case No. 672757, Ref. 1463, circa 1954. Extremely fine and rare, waterproof, 18 ct. gold gentleman's wristwatch with round button chronograph, register and tachometer, 18 ct. gold integrated linked bracelet and fitted box.

C. massive, polished, screwed back, dust protecting cap. D. mat silver with applied gold Breguet numerals + auxiliary seconds and 30 minutes register dials, outer tachometer graduation. "Feuille" gold hands. M. 13"', rhodiumed, "fausses côtes" decoration, 23 jewels, lever escapement, monometallic balance adjusted to 8 positions, self-compensating Breguet balancespring, micrometer regulator. Dial, case and movement signed. In excellent condition. Diam. 34 mm.

Patek Philippe & Cie, Genève, "World Time", No. 964806, case No. 669493, Ref. 1415, circa 1948. Very fine and rare "World Time", 18 ct. gold gentleman's wristwatch.

C. massive, polished, band engraved revolving reeded bezel bearing the names of 41 towns in the world, teardrop lugs. D. mat silve with applied gold indexes and Roman numerals, concentric, revolving dial in 24 hours for the nocturnal and diurnal hours. Gold fancy hands. M. 12"'-HU, rhodiumed, "fausses côtes" decoration, 18 jewels, lever escapement, cut bimetallic balance adjusted to heat, cold isochronism and 5 positions, Breguet balance-spring, micrometer regulator. Dial, case and movement signed. In excellent condition. Diam. 31 mm.

Patek Philippe & Cie, Genève, No. 888157, case No. 2619196, Ref. 2438/1, 4th series, made in 1955. Patek Philippe Very fine astronomic, centre second, 18 ct. gold gentleman's wristwatch with perpetual calendar and moon phases, produced in 179 examples from 1952 to 1963, (4th series with screwed back), with certificate.

C. massive, polished, waterproof, concave bezel, fluted lugs. D. mat silver with applied gold indexes, outer graduation for the days of the month, apertures for the days of the week, the months and the lunations. "Dauphine" gold hands. M. 27-SC Q Geneva Quality Hall Mark, rhodiumed, "fausses côtes" decoration, 18 jewels, lever escapement, cut bimetallic balance adjusted to heat, cold isochronism and 5 positions, antishock system, selfcompensating Breguet balance-spring, micrometer regulator. Dial, case and movement signed. In excellent condition. Diam. 37 mm.

Patek Philippe & Cie, Genève, No. 868599, case No. 696511, Ref. 2499, circa 1955, produced in 349 examples from 1950 to 1985, among them very few with tachometer. The 3rd series finished in 1978, and from then the watch with sapphire crystal becomes Ref. 2499/100. Extremely fine and rare astronomic, 18 ct. gold gentleman's wristwatch with round button chronograph, register and tachometer, perpetual calendar and moon phases.

C. massive, polished, concave bezel, crystal glass. D. mat silver with applied gold indexes. + auxiliary seconds and 30 minutes register dials, graduation for the days of the month, apertures for the days of the week, the months and the lunations. "Dauphine" gold hands. M. 13"` Q Geneva Quality Hall Mark, rhodiumed, "fausses côtes" decoration, 23 jewels, lever escapement, cut bimetallic balance adjusted to 8 positions, Breguet balance-spring, micrometer regulator. Dial, case and movement signed. In excellent condition. Diam. 37 mm.

Patek Philippe & Cie, Genève, "Reversible", No. 823422, case No. 609483, for Gübelin Lucerne, circa 1934. Exceptionally fine and rare rectangular, reversible, 18 ct. white and yellow gold gentleman's wristwatch, with fitted box.

C. massive, polished, bicolour, reeded bezel, black enamel monogramm on the back with the letters " A.B." D. mat silver with applied gold indexes and Roman numerals + auxiliary seconds dial. M. 9"', rhodiumed, "fausses côtes" decoration, 15 jewels, lever escapement, cut bimetallic balance adjusted to 8 positions, flat balance-spring. Dial, case and movement signed. In very good condition. Dim. 23 x 37 mm.

Patek Philippe & Cie, Genève, No. 864471, case No. 640528, made on special order in 1943, sold in 1946. Extremely fine and rare and probably unique, astronomie, indirect centre second, waterproof, 18 ct. pink gold gentleman's wristwatch with perpetual calendar and moon phases.

C. massive, polished, screwed back, dust protecting cap, stepped bezel, gilt dust protecting cap. D. mat silver with applied gold Arabic numerals + auxiliary dials for the days of the month, apertures for the days of the week, the months and the lunations. " Feuille" gold hands. M. 13"' Geneva Quality Hall Mark, rhodiumed, "fausses côtes" decoration, 20 jewels, lever escapement, eut bimetallic balance adjusted to heat, cold isochronism and 5 positions, selfcompensating Breguet balance-spring, micrometer regulator. Dial, case and movement signed. In excellent condition. Diam. 34 mm.