Jules Jurgensen, Copenhagen, No. 15211, circa 1900. Good and rare 18-carat pink gold hunting cased minute repeating watch with split second chronogaph.

Four body massive "demi-bassine et filet" polished case, a dedication dated 1st January 1900 engraved inside the cover. Gold cuvette engine-turned on the edge. White enamel dial with Roman numerals, outer Arabic minute and chronograph rings and subsidiary seconds. Blued steel " Breguet" hands. Very fine glazed 18' nickel plate movement, 32 jewels, equilibrated straight line lever escapement, cut bimetallic balance, Breguet balance spring. Repeating on gongs by means of a slide on the band, chronograph with the visible work and the push piece on the band, split second with the push piece on the band. Special patented Jurgensen hand setting device by means of the benting bow. In very good condition. Diam.: 51 mm.

Jules Jurgensen, Copenhagen, No. 15037, circa 1890. Good and rare 18-carat pink gold hunting cased minute repeating watch with split second chronograph.

Four body massive "demi-bassine et filet " polished case. Gold cuvette engine-turned on the edge. White enamel dial with Roman numerals, outer Arabic minute and chronograph rings and subsidiary seconds. Blued steel "Breguet" hands. Very fine 17"' nickel plated movement, 32 jewels, equilibrated straight line lever escapement, cut bimetallic balance, Breguet balance spring. Repeating on gongs by means of a slide on the band, chronograph with a visible work and a push piece on the band, the split second with a push piece on the band. Special patented Jurgensen hand setting device by means of the benting bow. In very good condition. Diam.: 49 mm.

Patek Philippe & Cie, Genève, No. 867744, case No. 661062, Ref. 1518, circa 1950. Fine astronomic 18-carat gold gentleman's wristwatch with perpetual calendar, moon phases, square button chronograph, register and tachometer, produced in 281 examples between 1941 and 1954.

C. massive, polished, concave bezel. D. rare mat silver with applied gold Arabic numerals + auxiliary seconds and 30 minute register dials, graduations for the days of the month, outer minutes, seconds and tachometer indications, 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, cut bimetallic balance adjusted to 8 positions, Breguet balance-spring, micrometer regulator. Dial, case and move-ment signed. In very good condition. Diam. 35 mm.

Patek Philippe & Cie, Genève, No. 868350, case No. 687766, Ref. 2499 (1st serie), circa 1953. Fine astronomic 18-carat gold gentleman's wristwatch with perpetual calendar, moon phases, square button chronograph, register and tachometer, produced in 349 examples between 1950 and 1985 (first serie 1950-1960 circa).

C. massive, polished, satined, fluted lugs, concave bezel. D. mat silver with applied gold Arabic numerals + auxiliary second and 30 minute register dials, outer graduation for the days of the months, minutes, seconds and tachometer, 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 very good condition. Diam. 37 mm.

Patek Philippe & Cie, Genève, No. 967652, case No. 668366, Ref. 1526, circa 1950. Very fine and rare astronomic 18-carat pink gold gentleman's wristwatch with perpetual calendar and moon phases produced in 210 examples between 1942 and 1952.

C. massive, polished, concave bezel. D. mat silver with applied pink gold Arabic numerals and round indexes, concentric graduation for days of the month and the seconds, outer minute indication, apertures for the days of the week, the months and the lunations. "Feuille" pink gold hands. M. 12"'-120 Q, rhodiumed, "fausses-côtes" decoration, 18 jewels, lever escapement, cut bimetallic balance adjust-ed to heat, cold, isochronism and 5 positions, self-compen-sating Breguet balance-spring, micrometer regulator. Dial, case and movement signed. In very good condition. Diam. 34 mm. Estimate: SFr. 120'000-140'000

Patek Philippe & Cie, Genève, No. 97854, case No. 222155, circa 1891. Rare and good 18-carat pink gold minute repeating watch with independant striking train.

Four body massive "demi-bassine" polished case. Gold cuvette. White enamel dial with Breguet numerals, outer red rabic minute ring and subsidiary seconds. Gold "Louis XV" hands. Fine 18"' nickel plated double train movement, " fausses-côtes" decoration, with differential winding, 35 jewels, equilibrated straight line lever escapement, cut bimetallic balance, Breguet balance spring. Repeating on gongs, the repeating train released by means of a push piece on the pendant. In very good condition. Diam. 48 mm.

Patek, Philippe & Cie, Genève, No. 48048, case No 48048, made for Randolph & Co., San Francisco, circa 1878. 18-carat pink gold, hunting cased minute repeating watch.

Four body massive "bassine et filet" polished case, a dedication engraved inside the cover. Gold cuvette. White enamel dial with Roman numerals and subsidiary seconds ( very small hair cracks). Blued steel "spade" hands. 19"' nickel plated movement, "fausses-côtes" decoration, 31 jewels, equilibrated straight line lever escapement, cut bimetallic balance, Breguet balance spring. Repeating on gongs by means of a slide on the band. In good condition. Diam.: 53 mm.

Patek, Philippe & Cie, Genève, No. 11535, specially made for Tiffany & Co., New York, circa 1900. Rare and good 18-carat pink gold minute repeating watch with independant striking train.

Four body massive "demi-bassine" polished case with invisible hinges. Gold cuvette. White enamel dial with Breguet numerals and subsidiary seconds. Blued steel "spade" hands. Fine 17' nickel plated double train move-ment, " fausses-côtes" decoration, with differential winding, 35 jewels, equilibrated straight line lever escapement, cut bimetallic balance, Breguet balance spring. Repeating on gongs, the repeating train released by means of a push piece on the pendant. In very good condition. Diam.: 47 mm.

Patek Philippe & Cie, Genève, No. 962483, case No. 655713, Ref. 1415, circa 1948. Extremely fine and rare "World Time" 18-carat pink gold gentleman's wristwatch.

C. massive, polished, flat revolving bezel bearing the names of 41 towns in the world, drop-shaped lugs. D. mat silver with applied gold Roman numerals, concentric, revolving dial in 24 hours bearing the nocturnal and diurnal hours, hand engraved bezel. Gold fancy hands. M. 12"'-HU, rhodiumed, " fausses-côtes" decoration, 18 jewels, lever escapement, monometallic balance adjusted to heat, cold, isochronism, and five positions, self-compensating Breguet balancespring, micrometer regulator. Dial, case and movement signed. Diam. 31 mm.

Patek Philippe & Cie, Genève, No. 729439, case No. 309785, Ref. 2597, circa 1960. Fine and rare two time zones 18-carat pink gold gentle-man' s wristwatch with three hands.

C. massive, polished, bearing two buttons activating the hours hand forwards or backwards according to the world time, independently by steps of one hour at a time. D. mat silver with applied gold indexes + auxiliary second dial. " Dauphine" pink gold hands. M. 27-400 HS, Geneva Quality Hall mark, rhodiumed, "fausses-côtes" decoration, 18 jewels, lever escapement, monometallic balance adjust-ed to heat, cold, isochronism and 5 positions, antishock system, self-compensating Breguet balance-spring. Dial, cas and movement signed. In excellent condition. Diam. 35 mm.

Patek Philippe & Cie, Genève, No. 964792, case No. 669503, Ref. 1415, circa 1949. Extremely fine and rare "World Time" 18-carat pink gold gentleman's wristwatch.

C. massive, polished, revolving bezel bearing the names of 41 towns in the world, drop-shaped lugs. D. mat silver with applied gold Roman numerals, concentric, revolving dial in 24 hours bearing the nocturnal and diurnal hours, hand engraved bezel, gold fancy hands. M. 12"' HU, rhodiumed, " fausses-côtes" decoration, 18 jewels, lever escapement, monometallic balance adjusted to heat, cold isochronism, and five positions, self-compensating Breguet balancespring, micrometer regulator. Dial, case and movement signed. In very good condition. Diam. 31 mm.

Jules Jurgensen, Copenhagen, No. 6232, Swiss circa 1870. Rare 18-carat gold hunting cased pocket chronometer.

Four body massive "demi-bassine et filets" engine-turned case with reeded band. Gold cuvette engine-turned on the edge. White enamel dial with Roman numerals and subsidiary seconds. Blued steel "Breguet" hands. Fine gilt brass bar movement with a going barrel, 11 jewels, pivoted de-tent escapement with a gold escape wheel, two armed cut bimetallic balance, blued steel balance spring with terminal curve. In very good condition. Diam.: 53 mm.

Jules Jurgensen, Copenhagen, No. 12767, made for Gustave Sandoz, Agent, Palais Royal 117, Paris, circa 1890. Fine 18-carat gold hunting cased minute repeating watch.

Four body, massive "demi-bassine et filet" polished case. Gold cuvette, engine-turned on the edge. White enamel dial with Roman numerals and subsidiary seconds. Blued steel " Breguet" hands. Good 17"' nickel movement "à vagues" decoration, 32 jewels, three gold screwed setting, equilibrated straight line lever escapement, cut bimetallic balance, Breguet balance spring. Repeating on gongs by means of a slide on the band. Special patented Jules Jurgensen hand setting device by means of the benting bow. In very good condition. Diam. 49 mm.

Jules Jurgensen, Copenhagen, No. 14510, circa 1890. Good 18-carat pink gold keyless watch in original fitted case and with certificate.

Four body massive "demi-bassine et filet" polished case. Gold glazed cuvette. White enamel dial with Roman numerals and subsidiary seconds. Blued steel "Breguet" hands. Very fine nickel movement, "à vague" decoration, 19 jewels in gold screwed setting, equilibrated straight line lever escapement, cut bimetallic balance, Breguet balance spring. Special patented Jules Jurgensen hand setting de-vice by means of the benting bow. In very good condition. Diam. 48 mm.

Jules Jurgensen, Copenhagen, No. 11130, circa 1880. Fine 18-carat gold hunting cased keyless pocket watch.

Four body massive "demi-bassine et filet" engine turned case with reeded band. Gold cuvette engine turned on the edge. Good 19' nickel movement, 18 jewels, two gold screwed setting, with a going barrel, straight line lever escapement, cut bimetallic balance, blued steel balance-spring with a terminal curve. Special Jules Jurgensen patented hand setting device by means of the benting bow. In good condition. Diam. 53 mm.

Patek Philippe & Cie, Genève, No. 822404, case No. 609807, circa 1937. Extremely fine and rare 18-carat white and yellow gold gentleman's wristwatch.

C. bicolour, massive, polished, white gold stepped bezel and mobile hooded lugs, yellow gold case, hinged back, raised crystal. D. white with applied gold indexes + auxiliary second dial. "Breguet" gold hands. M. 9"', gilt brass, 15 jewels, lever escapement, cut bimetallic balance, flat balance-spring. Dial, case and movement signed. In very good condition. 24 x 40 mm.

Patek Philippe & Cie, Genève, No. 833174, case No. 619974, circa 1939. Extremely fine and rare horizontal rectangular 18-carat pink and white gold gentleman's wristwatch.

C. two tone, massive, polished, pink gold hooded lugs decorated with two white gold stripes; pink gold band, white gold bezel, bevelled crystal back winder. D. mat silver with applied pink gold Arabic numerals and indexes. "Feuille" pink gold hands. M. 9"'-90, tonneau, rhodiumed, "fausses-côtes" decoration, 18 jewels, lever escapement, monometallic balance, adjusted to heat, cold, isochronism and to 5 positions, self-compensating flat balance-spring. Dial, case and movement signed. In excellent condition. 25 x 35 mm.

Patek Philippe & Cie, Genève, No. 823506, case No. 508921, circa 1934. Fine rectangular 18-carat white and yellow gold gentle-man' s wristwatch.

C. bicolour massive, polished, hinged back. D. mat silver with applied gold Arabic numerals + auxiliary second dial. " Moderne" blued steel hands. M. 10', rhodiumed, "faussescôtes" decoration, 18 jewels, lever escapement, cut bimetallic balance adjusted to heat, cold, isochronism and to 5 positions, flat balance-spring. Dial, case and movement signed. In very good condition. 26 x 30 mm.

Vacheron & Constantin, Genève, No. 386795, made in 1919. Fine 18-carat gold keyless pocket chronometer awarded fist class certificate at the Astronomical Geneva Observatory contest.

Four body massive "demi-bassine" polished case. Gold cuvette engraved with the awarded prize. White enamel dial with Arabic numerals and subsidiary seconds. Blued steel " pear" hands. Good 19' gilt brass movement, 21 jewels, straight line lever escapement, brass-invar Guillaume balance, blued steel balance spring with terminal curve and a Vacheron & Constantin micrometric index Swiss patent No. 101652. In very good condition. Diam. 58 mm.

Vacheron & Constantin, Genève, No. 200295, made for Charles Allis Milwaukee Wis. in 1904. Very fine 18-carat gold minute repeating moon phase astronomical watch with perpetual calendar and split second chronograph.

Four body massive "demi-bassine" polished case. Gold cuvette. White enamel dial with Arabic numerals, outer red Arabic minute and chronograph rings, subsidiary dials for the days of the week, the months with the leap year cycle, the dates and the seconds with inner moon phase aperture. Blued steel "spade" hands. Very fine 17' nickel plated movement, "fausses-côtes" decoration, 32 jewels, equilibrated straight line lever escapement, cut bimetallic balance, Breguet balance spring with a swan neck micrometric index. Repeating on gongs by means of a slide on the band. The split second chronograph with a visible work, a push piece and a locking bolt on the band. In very good condition. Diam. 59 mm.