Cortebert, Swiss, No. 593158, case No. 1544181, circa 1928.Very fine and very rare platinum, 18K yellow gold and enamel keyless Art Deco Chevalier "Highest Quality" dress watch, destined most likely for the 1929 Barcelona Exhibition.

C. Three-piece, hexagonal, asymmetrically shaped, yellow gold bezels with blue enamel champlevé stripe, back cover in white gold with black enamel sharp geometrical figure with engraved flowers inside, large white gold bow smoothly extending from the band, white gold hinged stand for making it a desk clock. D. Silver, matte and whitened, following the shape of the case, applied yellow gold Breguet numerals, outer minute track, subsidiary seconds. Gold "cathedral" hands. M. 35 mm. (15 1/2'''), rodium-plated, 17 jewels, 5 adjustments, straight line lever escapement, cut bimetallic compensation balance with gold screws, blued steel Breguet balance spring, gold wheel train.Signed on the dial.Dim. Height 50 mm, width 47 mm.

Vacheron & Constantin, Genève, No. 408710, case No. 254197, made in 1914, sold in 1928. Exceptionally fine, highly important and unique large 18K gold hunting-cased, keyless, specially adjusted astronomical minute-repeating carillon watch, with Guillaume balance, triple train, split-seconds chronograph, 30-minute register, perpetual calendar, phases of the moon and alarm. Accompanied by numerous factory documents.

C. Five-body, massive, “bassine”, polished with reeded bezel edges, gold hinged cuvette. D. Matte silver, No. 254/97, upright black champlevé Arabic numerals, outer minute divisions, outermost chronograph track divided into fifths with five-minute/seconds Arabic markers, four subsidiary sunk dials for phases of the moon aperture with gold and enamel moon disc concentric with minute register, months of the four-year leap cycle, date concentric with subsidiary seconds, and days of the week. Blued steel Breguet hands, gold alarm hand. M. 47.37 mm (21'''), maillechort, “fausses côtes” decoration, 45 jewels, straight line calibrated lever escapement, anibal-brass Guillaume compensation balance with special alloy Breguet balance spring, special rare patented cam-type micrometric regulator, tandem winding, split-seconds mechanism set on the back plate, pin-set of both going and alarm trains, repeating on three gongs by three hammers through activating slide in the band, alarm by its own hammer striking on two gongs. Signed on dial, case and movement.Diam. 66.3 mm.

European Watch & Clock Co., (Cartier Paris. Entered in the Register on March 19, 1928. Very fine, rectangular, Art Deco, 18K yellow gold, platinum, onyx and diamond lady's wristwatch with 18K pink gold Cartier deployant clasp and diamond-set and onyx buckle.

C. two-body, bicolored, solid, polished, yellow gold case back, platinum band, bezel set with diamonds, articulated rectangular diamond-set platinum attachments related to the case by two curved platinum segments covered with black onyx and diamonds, wire lugs, diamond-set winding-crown. D. sand-finished, painted radial Roman numerals. Blued steel "Spade" hands. M. signed European Watch & Clock Co., oval, rhodium-plated, ?fausses-cotes? decoration, 18 jewels, lateral lever escapement, cut bimetallic balance, 8 adjustments, flat balance-spring. Dial, case and movement signed.Dim. 15 x 37 mm.

Patek, Philippe & Cie., Genève,No. 193425, case No. 416111, circa 1928.Extremely fine and rare 18K gold keyless pocket chronometer "EXTRA" adjusted by Master adjuster F. Modoux for 1929 Geneva Observatory Timing Contest, with 36-hour power reserve indicator, up-and-down indicator, and Guillaume balance. Accompanied by certificates of the Contest in which the watch won an Honorable Mention.

C. Four-body, "bassine", engine-turned back, polished band and bezel, gold hinged cuvette. D. White enamel, Breguet numerals, outer minute track, sunk up-and-down indicator below 12 o'clock, subsidiary sunk seconds. Blued steel "spade" hands. M. 47 mm. (21'''), Cal. 18o, 20 jewels, straight line calibrated lever escapement, anibal-brass Guillaume balance with "winged" arms, gold temperature adjustment screws and platinum mean time ones, special alloy Breguet balance spring with inner and outererminal curve, diamond endstone, "swan-neck" micrometric regulator.Signed on dial, case and movement.Diam. 52 mm.

Patek Philippe & Cie, Geneve, No. 815892, case No. 605884. Produced circa 1928.Very fine, rare and early rectangular, 18K white and yellow gold gentleman's wristwatch.

C. two-body, bicolored, solid, polished, hinged case back, faceted yellow gold top/bottom bezel, white gold case. D. satiné silver with applied yellow gold Breguet numerals, auxiliary seconds dial. "Spade" white gold hands.M. Cal. 9 ''', gilt brass, 15 jewels, straight line lever escapement, cut bimetallic balance, flat balance-spring.Dial, case and movement signed.Dim. 23 x 36 mm.

Patek Philippe & Cie, Genève, No. 1119288, case No. 330682, Ref. 3448. Made in 1973, sold on April 25, 1973.Very fine and rare, astronomic, self-winding, 18K white gold gentleman's wristwatch with perpetual calendar, an 18K white gold Patek Philippe buckle and the "Extract from the Archives".

C. three-body, solid, polished and brushed, inclined bezel, hidden lugs. D. matte silver with applied white gold bâton indexes, graduation for the days of the month, apertures for the days of the week, the months and the moon phases. "Dauphine" white gold hands. M. Cal. 27-460 Q, stamped with the Geneva Quality Hallmark, rhodium-plated, "fausses côtes" decoration, 37 jewels, straight line lever escapement, Gyromax balance adjusted to heat, cold, isochronism and 5 positions, shock-absorber, sel-compensating free-sprung balance-spring, 18K gold rotor.Dial, case and movement signed.Diam. 37 mm.

Cartier, Paris "Montre-Chevalet", sold to Frederick W. Vanderbilt, entered into the register on December 20, 1928.Very fine and elegant 18K gold and enamel Art Deco sapphire-set keyless dress and desk watch in original Morocco fitted box.

C.Two-body, centers engine-turned in straight line pattern, sides with champlevé black enamel semicircles, two sapphire-set pushpieces for opening. D. Rectangular, Arabic numerals, inner square minute track. Blued steel Breguet hands. M. 22 mm. (10'''), frosted gilt, 15 jewels, straight line lever escapement, cut bimetallic compensation balance with Breguet balance spring.Signed on the dial, movement signed European Watch and Clock Co. Inc., France, case punched with French gold marks and Edmond Jaeger's trademark.Dim. 43 x 32 mm.

Haas Neveux & Co, Genève,No. 19287, circa 1890.Very fine and interesting small 18K gold keyless triple-complicated astronomical perpetual calendar watch with phases of the moon, split-seconds chronograph with 30-minute register, and minute-repeating.

C. Four-body, "bassine", the back with a royal crown and the initials M.B.T. in white champlevé enamel, gold hinged cuvette, gold bolt at 2 o'clock for blocking the chronograph. D. White enamel, Breguet numerals, outer minute divisions, outermost seconds track divided into fifths, gold five-minute/seconds Arabic markers, four subsidiary sunk dials for days of the week, date, months of the leap year cycle concentric with minute register, and subsidiary seconds concentric with phases of the moonperture. Gold "Louis XV" hands. M. 36 mm. (16'''), nickel, 40 jewels, straight line calibrated lever escapement, cut bimetallic compensation balance with Breguet balance spring, punched twice with Seal of Geneva Quality Mark, repeating on gongs through activating slide in the band. Signed on dial and case, movement and case marked with the same serial number. Diam. 45 mm.

Patek Philippe & Cie, Genève, No. 817207, case No. 607290. Retailed by Beyer, Zürich. Produced circa 1928. Fine, oval, 18K yellow gold lady's wristwatch with cord bracelet and an 18K yellow gold original clasp.

C.two body, solid, polished, hand engraved crown and case band, central and lapidated lugs. D. champagne with painted indexes."Feuille" blued steel hands. M. Cal. 8''' oval, rhodium-plated, fausses côtes decoration, 18 jewels, straight line lever escapement, cut bimetallic compensation balance adjusted to 8 positions, blued steel flat balance-spring.Dial, case and movement signed.Dim. 15 x 33 mm.

Patek Philippe & Cie, Genève, "Calatrava", No. 819751, case No. 294006, Ref. 96. Production of this reference started in 1932. The present watch was made in 1928 and sold on June 5, 1934.Fine and very early, 18K yellow gold gentleman's wristwatch with an 18K yellow gold Patek Philippe buckle and the "Extrait des Registres".

C. three-body, solid, polished, back with monogram "F.V.E.", flat bezel, concave lugs. D. matte silver with applied yellow gold bâton indexes, auxiliary seconds dial. "Alpha" yellow gold hands. M. Cal. 12 ''', stamped with the Geneva Quality Hallmark, rhodium-plated, 18 jewels, straight line lever escapement, cut bimetallic balance, Breguet balance-spring.Dial, case and movement signed.Diam. 30 mm.

Cortebert, Swiss, No. 593158, case No. 1544181, circa 1928.Very fine and very rare 18K two-tone gold and enamel keyless Art Deco "chevalier" "Highest Quality" watch, destined, most likely, for Barcelona Exhibition of 1929.

C. Three-piece, hexagonal, asymmetrically shaped, yellow gold bezels with blue enamel champlevé stripe, back cover in white gold with black enamel sharp geometrical figure with engraved flowers inside, large white gold bow smoothly extending from the band, white gold hinged stand for making it a desk clock. D. Silver, matte and whitened, following the shape of the case, applied yellow gold Breguet numerals, outer minute track, subsidiary seconds. Gold "cathedral" hands. M. 35 mm. (15 1/2'''), rhdium-plated, 17 jewels, 5 adjustments, straight line lever escapement, cut bimetallic compensation balance with gold screws, blued steel Breguet balance spring, gold wheel train.Signed on the dial.Dim. Height 50 mm, width 47 mm

Cortebert, Swiss, No. 593157, case No. 1544182, circa 1928.Very fine and very rare 18K two-tone gold and enamel keyless Art Deco "chevalier" "Highest Quality" watch, destined, most likely, for Barcelona Exhibition of 1929.

C. Three-piece, square with canted corners, white gold bezels, back cover in yellow gold with champlevé raised green, red, blue and black geometrical design with Egyptian accent, large yellow gold bow engraved in laurel leaves, smoothly extending from the band, yellow gold hinged stand for making it a desk clock. D. Silver, two-toned, following the shape of the case, applied white gold Breguet numerals over matted and whitened background, outer minute track, brushed square center, subsidiary seonds. White gold "cathedral" hands.M. 35 mm. (15 1/2'''), rhodium-plated, 17 jewels, 5 adjustments, straight line lever escapement, cut bimetallic compensation balance with gold screws, blued steel Breguet balance spring, gold wheel train.Signed on the dial.Dim. Hight 50 mm, width 42 mm

Patek Philippe & Cie, Genève, No. 811154, case No. 604805. Produced circa 1928.Very fine and rare, Art Deco, rectangular, 18K yellow and white gold gentleman's wristwatch with an 18K yellow gold Patek Philippe buckle.

C. two-body, solid, polished, hinged case back, bezel and sides decorated with engravings, hooded stepped lugs with a white gold bar, flat top crystal. D. matte silver with applied yellow gold Breguet numerals, auxiliary seconds hand. "Bâton" yellow gold hands. M. Cal. 10''', gilt brass, 15 jewels, straight line lever escapement, cut bimetallic balance flat balance-spring.Dial, case and movement signed.Dim. 26 x 33 mm.

Patek, Philippe & Cie., Genève, No. 819503, case No. 417807, circa 1928.Very fine 18K gold keyless center-seconds watch with special dial.

C. Three-piece, "variée", polished, with matted back and band. D. Two-tone silver, three matted and whitened rings with, respectively, applied gold hour chapter with radial Roman numerals and indexes, champlevé minute track, outermost champlevé seconds track, stoned center. Gold "feuilles" hands. M. 38 mm. (17'''), cal. 21h, rhodium-plated, 17 jewels, 8 positions, straight line "moustache" lever escapement, cut bimetallic compensation balance with blued steel Breguet balance spring, spring-loademicrometric regulator.Signed on dial, case and movement.Diam. 45 mm.

A. Lange & Söhne, Glashütte, No. 92053, circa 1928.Extremely rare and very fine two-tone 18K gold keyless Art Deco dress pocket watch.

C. Three-piece, yellow gold back and florally engraved band, white gold bezels engraved with laurel leaf pattern, yellow gold pendant with geometrical white gold bow. D. silvered, applied yellow gold Arabic numerals, outer champlevé minute ring, subsidiary sunk seconds. Gold Breguet hands. M. 38 mm., nickel, "fausses-côtes" decoration, 19 jewels, top ones in gold settings, 8 adjustments, straight line lever escapement, cut Guillaume type anibal-brass compensation balance, special alloy Breguet blance spring, micrometric "swan-neck" regulator.Signed on dial, case and movement.Diam. 45 mm.

Audemars Piguet, Genève, "Jump Hour", No.38740. Produced in 1928.Very fine and rare, rectangular, flat, jump-hour, 18K white gold gentleman's wristwatch.

C. two body, solid, polished, reeded sides and lugs D. apertures for the jump-hour and the digital minute indications, two matte silver revolving discs with painted Arabic numerals for the hours and the minutes. M. Cal. 10''', rhodium plated, "fausses côtes" decoration, 18 jewels, straight line lever escapement, cut bimetallic balance, Breguet balance-spring.Movement signed.Dim. 26 x 37 mm.

Rowlands, Smith St., London, No. 10151, hallmarked 1928-29.Fine, 18K gold, keyless watch with 36-hour winding indicator.

C. four-body, "bassine" with split bezels, polished, reeded band, gold hinged cuvette. D. white enamel, Roman numerals, outer minute ring, subsidiary sunk seconds, sunk up-and-down indicator at 12 o?clock. "Spade" blued steel hands. M. 40 mm, frosted gilt 3/4-plate, fusee and chain, 19 jewels, lateral English lever escapement, cut bimetallic compensation balance with blued steel flat balance spring, diamond endstone.Movement signed. Diam. 49 mm.

Ulysse Nardin, Locle & Geneva, No. 19685, circa 1928. Very fine and rare silver center-seconds, keyless, dead half-seconds deck chronometer in ebony fitted box.

C. Three-body, ?bassine et filets?, polished, glazed back. D. White enamel, bold radial Roman numerals, outer minute/seconds ring. Blued steel ?spade? hands. M. 45 mm (20???), frosted gilt half plate, Earnshaw-type spring detent chronometer escapement, steel escape wheel, Guillaume anibal-brass balance with special balance spring with outer terminal curve, 15 jewels, escapement capped, cock with diamond endstone. Signed on dial and movement. Diam. 64 mm.

Patek Philippe & Cie, Genève, No. 816951, case No. 414537. Produced circa 1928. Very fine, large, rectangular curved, 18K yellow gold Art Deco gentleman's wristwatch with an 18K yellow gold Patek Philippe buckle.

C. two-body, shaped, solid, polished, hinged case back, circular straight lugs. D. matte silver with radium-coated Arabic numerals, auxiliary seconds dial. "Spade Skeleton" radium-coated hands. M. Cal. 11''' rhodium-plated, "fausses-côtes" decoration, 18 jewels, straight line lever escapement, cut bimetallic balance, 8 adjustments, Breguet balance-spring. Dial, case and movement signed. Dim. 26 x 44 mm.

Patek Philippe & Cie, Genève, No. 813529, case No. 606160. Produced circa 1928. Very fine and rare rectangular Art Deco 18K white gold gentleman's wristwatch with an 18K white gold Patek Philippe buckle. Accompanied by a fitted box and certificate.

C. two-body, solid, polished, hinged case back, lapidated lugs. D. matte silver with applied white gold Breguet numerals, auxiliary seconds dial. "Spade" white gold hands. M. Cal. 10''' gilt brass, 15 jewels, lever escapement "à moustache", cut bimetallic balance, flat balance-spring. Dial, case and movement signed. Dim. 25 x 36 mm.