Rolex, Oyster Perpetual "Explorer", Officially Certified Chronometer, Ref. 6610, 1970's. Fine, center second, self winding, stainless steel gentleman's wristwatch, with stainless steel Oyster bracelet.

C. polished, satined, screwed back, waterproof. D. black, with radiumed Arabic numerals and indexes. " Skeleton" radiumed hands. M.121/2"' rhodiumed, 25 jewels, lever escapement, monometallic balance adjusted to 5 positions and temperatures, antishock system, self-compensating Breguet balance-spring. Dial, case and movement signed. In good condition. Diam. 36 mm.

Rolex, Oyster Perpetual Date, "Explorer Il", Superlative Chronometer, Officially Certified, Ref. 1655, 1970's. Fine, two time zone, center second, self winding, stainless steel gentleman's wristwatch, with date, with stainless steel Fliplock Oyster bracelet.

C. polished, satined, screwed back, waterproof, graduated steel bezel. D. black, with radiumed indexes, aperture for the date. "Bâton" radiumed hands, independant adjustment for the second time zone. M. 12 1/2"' rhodiumed, 26 jewels, lever escapement, monometallic balance, antishock system, self-compensating Breguet balance-spring. Dial, case and movement signed. In good condition. Diam. 38 mm.

Rolex, Oyster Perpetual Date, "Explorer II", Superlative Chronometer, Officially Certified, Ref. 16550, 1980's. Fine, two time zone, center second, self winding, stainless steel gentleman's wristwatch, with date, with stainless steel Oyster bracelet with fitted box.

C. polished, satined, screwed back, waterproof, graduated steel bezel, sapphire crystal. D. black, with radiumed indexes, aperture for the date, "Skeleton" radiumed hands, independant adjustment for the second time zone. M. 12 1/2"' rhodiumed, 26 jewels, lever escapement, monometallic balance, antishock system, self-compensating Breguet balance-spring. Dial, case and movement signed. In very good condition. Diam. 39 mm.

Rolex, Oyster Perpetual Date, "Explorer II" Superlative Chronometer, Officially Certif ied, Ref. 16570, present series. Fine, two time-zone, center second, self winding, stainless steel gentleman's wristwatch, with date, with stainless steel Fliplock Oyster bracelet.

C. polished, satined, screwed back, waterproof at 100 meters, graduated steel bezel, "Triplock" winding-crown, sapphire crystal. D. white, with radiumed indexes, aperture for the date. "Skeleton" radiumed hands. Independant adjustment for the second time zone.M. 12 1/2"' rhodiumed, 26 jewels, lever escape-ment, monometallic balance, antishock system, selfcompensating Breguet balance-spring. Dial, case and movement signed. In excellent condition. Diam. 39 mm.

Rolex, Cosmograph Daytona, Ref. 6239, with steel bezel, produced from 1961 to 1988, the first model with screwed buttons in 1976. Fine, stainless steel gentleman's wristwatch, with round button chronograph, registers and tachometer, with stainless steel Oyster bracelet.

C. polished, satined, screwed back, waterproof, tachometer graduation on the bezel. D. bicolour satined silver and black, with applied steel indexes + auxiliary dials for the seconds, the 12 hours and 30 minutes registers. " Bâton" radiumed hands. M. 13? rhodiumed, 17 jewels. Dial, case and movement signed. In very good condition. Diam. 37 mm.

Rolex Cosmograph Daytona, Ref. 6239, with steel bezel, produced from 1961 to 1988, the first model with screwed buttons in 1976. Fine, stainless steel gentleman's wristwatch, with round button chronograph, registers and tachometer with stainless steel Oyster bracelet.

C. polished, satined, screwed back, waterproof, tachometer graduation on the bezel. D. bicolour black and white, with applied steel indexes + auxiliary dials for the seconds, the 12 hours and 30 minutes registers. " Bâton" radiumed hands. M. 13? rhodiumed, 17 jewels. Dial, case and movement signed. In very good condition. Diam. 37 mm.

Rolex Oyster Cosmograph, Ref. 6263, with black bezel, produced from 1961 to 1988, the first model with screwed buttons in 1976. Fine, stainless steel gentleman's wristwatch, with screwed round button chronograph, registers and tachometer.

C. polished, satined, screwed back, waterproof, tachometer graduation on the bezel. D. bicolour black and white, with applied steel indexes + auxiliary dials for the seconds, the 12 hours and 30 minutes registers. " Bâton" radiumed hands. M. 13? rhodiumed, 17 jewels. Dial, case and movement signed. In very good condition. Diam. 37 mm.

Rolex Oyster Cosmograph, Ref. 6262, with black bezel, produced from 1961 to 1988, the first model with screwed buttons in 1976. Fine, stainless steel gentleman's wristwatch, with screwed round button chronograph, registers and tachometer, with stainless steel Oyster bracelet.

C. polished, satined, screwed back, waterproof, tachometer graduation on the bezel. D. bicolour black and white, with applied steel indexes + auxiliary dials for the seconds, the 12 hours and 30 minutes registers. " Bâton" radiumed hands. M. 13? rhodiumed, 17 jewels. Dial, case and movement signed. In very good condition. Diam. 37 mm.

Rolex Oyster Cosmograph Daytona, Ref. 6265, with black bezel, produced from 1961 to 1988, the first model with screwed buttons in 1976. Fine, stainless steel gentleman's wristwatch, with screwed round button chronograph, registers and tachometer, with stainless steel Oyster bracelet.

C. polished, satined, screwed back, waterproof, tachometer graduation on the bezel. D. bicolour satined silver and black, with applied steel indexes + auxiliary dials for the seconds, the 12 hours and 30 minutes registers. " Bâton" radiumed hands. M. 13? rhodiumed, 17 jewels. Dial, case and movement signed. In very good condition. Diam. 37 mm.

Snd. Mercier à Genève, Horloger Breveté de Sa Majesté Britanique, circa 1860. Fine and unusual 18 ct. gold, hunting cased, quarter repeating, independant center seconds watch with hour and minute recorder and double calendar.

C. Four body, massive, "forme quatre baguettes", engine- turned with a small eccentric aperture on the cover for mean time, a monogram engraved on the back. Gold cuvette. D. White enamel, small chapters for mean time and hour and minute register, Roman numerals, subsidiary dates and week days. Blued steel Breguet hands and counterpoised center seconds. M. 18?, gilt brass double train with going barrels, 30 jewels, bar caliber, counterpoised straight line lever escapement, cut bimetallic balance, blued steel Breguet balance spring. Repeating on gongs with slide in the band. Dead center seconds with boit in the band. Signed on the dial and case. In good condition. Diam. 50mm.

Jn. Fs. Bautte & Cie., à Genève, No. 43757, circa 1840. Unusual and fine 18 ct. gold and enamel, slim digital watch.

C. Four body, "forme quatre baguettes" decorated overall with champleve and "remouloye" flowers and scrolls of foliage on a black ground (slightly restored). Gold cuvette. D. Gold enamelled such as the case, with apertures for the hour and minute volvelles. M., gilt brass, cylinder escapement, plain brass three armed balance, flat balance spring. Signed on the cuvette. In good condition. Diam. 51 mm.

Anonymous, Swiss, circa 1780. Fine 18 ct. gold, skeleton watch.

C. Double body, Louis XVI, glazed on both faces, the bezels chased with chevron and floral decoration. D. White enamel with Breguet numerals. Gold "fleur de lys" hands. M. GiIt brass full plate, the florally chased back plate skeletonized, revealing the going train with fusee and chain, engraved barrel and bridges, verge escapement with plain brass three armed balance, flat balance spring. In good condition. Diam. 42 mm.

Johann Hillrich in Pesth, Hungary, No. 1834, circa 1820. Unusual silver, digital jumping hour watch.

C. Three body, Empire, engine-turned. D. Silver engineturned with eccentric aperture for the jumping hour volvelle, outer Arabic central minute ring and subsidiary seconds. Blued steel Breguet hand. M. 20,5?, gilt brass full plate movement with cylindrical pillars, going barrels passing through the back plate, secured by a half-moon bridge, cylinder escapement with a plain gilt brass three armed balance, flat balance spring, ruby endstone. Signed on the dial and the back plate. In good condition. Diam. 57mm.

Vacheron & Constantin, Genève, No. 414324, case No. 255497, made in 1937. Very fine platinum, sapphire-set keyless dresswatch with a chain.

C. Three piece, "bassine pincée", satine, with sapphire set band and bow. D. Mat silver, with applied platinum Roman numerals and sunk subsidiary seconds. Platinum "bâtons" hands. M.16"', rhodium plated, 18 jewels, straight line lever escapement, cut bimetallIc balance, eight adjustments, blued steel Breguet balance spring. Signed on the dial, case and movement. In very good condition. Diam. 45mm.

Breguet No. 5275, circa 1930. Fine 18 ct. two coloured gold keyless dress watch, with chain.

C. Three piece, massive, "bassine pincée" polished with white gold bezels and bow, black champleve enamelled initiais on the back. D. Satine silver with cubic Arabic numerals. Blued steel "trefle" hands. M. 15"', silvered, 18 jewels, straight line lever escapement, cut bimetallic balance, blued steel Breguet balance spring. Signed on the dial and movement. In very good condition. Diam. 43mm.

International Watch Co., No. 749120, Swiss, circa 1925. Fine 18 ct. gold and enamel, Art-Deco, keyless dress-watch.

C. Three piece, massive, "bassine pincée", polished, bezels, pendant and bow with chased and black champleve enamelled decoration, a monogram engraved on the back. An engraved dedication, dated 1925, inside the back. D. Mat silver with applied gold Breguet numerals and sunk subsidiary seconds. Gold Breguet hands. M.16"', rhodium plated, "fausses côtes" decoration, 21 jewels, straight line lever escapement, cut bimetallic balance, six adjustments, blued steel Breguet balance spring with swan neck micrometric index. Signed on the dial and movement. In very good condition. Diam. 47mm.

Vacheron & Constantin, Genève, No. 417569, case No. 261893, made in 1938. Fine and elegant platinum, extra flat keyless dresswatch.

C. Three piece, "knife edge", satiné a name engraved on the back. D. Silver, two ton, with applied white gold Arabic numerals and sunk subsidiary seconds. White gold "bâtons" hands. M.16"', nickel, 18 jewels, straight line lever escapement, cut bimetallic balance, five adjustments, blued steel Breguet balance spring. Signed on the dial, case and movement. In very good condition. Diam. 44mm.

Vacheron & Constantin, Genève, No. 427914, case No. 280795, made in Fine stainless "staybright", keyless dress-watch

C.Three piece, "bassine pincée", polished. D. Mat gilt, with applied gilt Arabic numerals and sunk subsidiary seconds. Gold "bâtons" hands. M.16"', rhodium plated, "fausses côtes" decoration, 18 jewels, straight line lever escapement, cut bimetallic balance, blued steel Breguet balance spring with swan neck micrometric index. Signed on the dial and movement. In very good condition. Diam. 47mm.

Rolex, Oyster Perpetual" Submariner Turn-OGraph", Ref. 5508, 1950's. Fine, center second, self winding, stainless steel gentleman's wristwatch, with stainless steel Oyster bracelet.

C. polished, satined, screwed back, waterproof at 100 meters, revolving graduated bezel, Twinlock windingcrown. D. black, with radiumed indexes. "Skeleton" radiumed hands. M. 12 1/2"' rhodiumed, 26 jewels. Dial, case and movement signed. In very good condition. Diam. 39 mm.

Rolex, Oyster Perpetual" Submariner ", Superlative Chronometer Officially Certified, Ref. 5513, 1960's. Fine, center second, self winding, stainless steel gentleman's wristwatch, with stainless steel Oyster bracelet.

C. polished, satined, screwed back, waterproof at 200 meters, revolving graduated bezel, Triplock windingcrown. D. black, with radiumed indexes. "Skeleton" radiumed hands. M. 12 1/2"' rhodiumed, 26 jewels. Dial, case and movement signed. In very good condition. Diam. 39 mm.