?Special Balance? L. Leroy & Cie. A Paris, 7 Boulevard de la Madeleine, No. 67394. Made circa 1915. Very fine and rare, 18K gold, keyless dress watch with chronograph, instantaneous 60 minute register and special balance.

C. Three body, "forme collier", polished, the back engraved with a monogram. D. Gold engine-turned with dauphine Arabic numerals, outer minutes and fifths of a second track, subsidiary seconds at 6 and 60-minute register at 12. Blued-steel ?Breguet? hands. M. 19"', gilt brass, 29 jewels, straight line lever escapement, bimetallic compensation balance cut in the middle of the rim, bluedsteel Breguet balance spring, index regulator, chronograph with visible work, activated by a button in the winding-crown. Dial, case and movement signed. Diam. 57 mm.

?Grande Sonnerie Calendar? Henri Jacot, Rue Montmorency 31, Paris, No. 324. Made circa 1870. Very fine and rare, eight day going gilt brass grande and petite sonnerie striking and repeating carriage clock with date, day of the week indication, alarm, fine mahogany and brass inlaid traveling case and numbered key.

C. Multi-piece, glazed on four sides, entirely cast and chased gilt brass decorated with foliate scrolls, portrait masks, birds and cherubs, concave cornice with overhanging scroll corners, bombé base with central snake and phoenix, the corners with winged female figures, glazed top, cast and chased hinged handle composed of two dogs flanking a cartouche and with coiled snake terminals. Mahogany traveling case inlaid with brass stringing, hinged handle and door, hinged lid with lock. D. White enamel with radial Roman numerals, outer minute track, white enamel alarm disc below with Arabic numerals, foliate engraved gilt brass dial mask with curved apertures for the days of the week and date on silvered discs. Gilt brass ?trefoil? hands. M. 9 x 6.8 cm., rectangular gilt brass, four ring-turned pillars, going barrels, platform escapement with lateral lever, jewelled impulse pin, cut bimetallic compensation balance, blued steel flat balance spring, index regulator, polished steel endplate, striking and repeating with two hammers on two bells. Dial signed, movement and key numbered. Dim. 16.5 x 10 x 8 cm. Including handle.

?Belle Epoque? Vacheron & Constantin, Genève, No. 345862, case No. 210457. Made in 1908. Extremely fine, rare and elegant 18K gold and enamel, platinum, rose-cut diamond and ruby-set keyless lady?s pendant watch. Accompanied by a platinum, diamond-set gold and enamel matching chain.

C. Four-body, the bezel with white enamel band, the back cover overlaid with aquamarine guilloché enamel with raised painted white enamel scroll and flower border, the center with applied platinum, yellow gold, rose diamond and ruby-set mount, the whole mounted within a pierced platinum, ruby and rose diamond-set framework with three pear-shaped diamonds suspended from the lower hinged mount, cabochon sapphire set winding crown. Hinged gold cuvette. Chain composed of elongated oval links decorated with aquamarine and white enamel, platinum and rose diamond set ribbon terminals. D. Frosted engine-turned silver with painted dauphine numerals, outer minute track. Gold ?spade? hands. M. 11''' 16/12, extra-flat, rhodium plated, ?fausses cotes? decoration, 16 jewels, straight line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, index regulator. Dial, case and movement signed. Dim. 65 x 38 mm. overall.

Geneva, No. 3, circa 1875. Very fine and rare 18K gold, painted on enamel, rose cut diamond and pearl-set cruciform pendant watch with separate crowns for winding and hand setting.

C. Three-body, stepped, cruciform, the top outlined with black champlevé enamel and set with pearls, oval sprung hinged cover over the dial set with a painted on enamel portrait of a female saint surrounded by rose cut diamonds, release catch at the base of the upper crucifix, hinged back with bright cut border, fixed ring suspension loop with movable tapered loop. D. White enamel, radial Roman numerals, outer minute track. Blued steel hands. M. 50 x 32 mm., frosted gilt, linear wheel train with cross-shaped wheel plate, linear wheel train, two crowns, one for the winding and one for the hand setting, cylinder escapement, brass three-arm balance, blued steel flat spiral balance spring. Dim. 64 x 48 mm.

Longines, No. 3601953. Made circa 1920. Fine and unusual 18K yellow gold and platinum, diamond-set, keyless, oval Art Deco ring watch.

C. Two piece, with diamond-set bezel and shoulders, the band with a band of engraved foliage. D. Oval matted silver with black painted Arabic numerals and inner minute track. Black steel "spade" hands. M. Oval 5 1/2"', rhodium plated, 15 jewels, straight line lever escapement, bimetallic compensation balance, blued steel Breguet balance spring, index regulator. Dial and movement signed and numbered, case numbered. Dim. 27 x 15 mm.

?Minute Repeating ? Teardrop Lugs? Vacheron & Constantin, Genève, No. 501906, case No. 328061, Ref. 4261. Made in 1954. Extremely rare, fine and elegant, large, flat, minute-repeating, 18K yellow gold gentleman's wristwatch.

C. Three-body, solid, polished and brushed, stepped bezel, teardrop lugs, the back with engraved initials. D. Brushed, silvered with applied gold faceted pointer indexes and Arabic quarter-hour numerals, outer dot minute and applied gold dot five minute markers. Yellow gold "baton" hands. M. Cal. 13'" JMV, 3.1 mm thick, rhodium plated, "fausses cotes " decoration, 29 jewels, straight line lever escapement, cut bimetallic balance adjusted to two positions and temperatures, blued steel flat balance-spring, repeating on gongs activated by a slide in the band. Dial, case and movement signed. Diam. 36 mm. Thickness 5.8 mm.

?Chronometer Tourbillon? Girard-Perregaux, Chaux-de-Fonds, No. 51364. Made for the Hispanic market, circa 1875. Very fine and rare 18K gold, hunting-cased, keyless pocket chronometer, with one-minute Guinand type II tourbillon regulator.

C. Four-body, massive "bassine et filets", engine-turned with ribbed band, the cover centered with a monogram, the band of the front cover inscribed ?Los Empleados del Ferro-Carril de Pisagua a su Jefe Sr. Dn. Gmo. Grundy. Sbre.28-78.? Hinged gold cuvette with engineturned and chased foliate border, glazed gold-rimmed cover to view the movement. D. Silver with painted radial Roman numerals, outer dot minute markers and subsidiary seconds, the center and outer border decorated with cast and engraved gold foliage. Blued steel pierced "tulip" hands. M. 19''', nickel plated, geometric decoration, gold wheel train, 15 jewels in gold chatons, wolf?s tooth winding, Swiss pivoted detent escapement, cut bimetallic compensation balance with gold screws, blued steel Breguet balance spring with perpendicular stud for preventing excessive amplitude, Guinand type II polished steel tourbillon carriage with gold index scale. Dial cuvette and movement signed. Diam. 53.5 mm.

?George V Royal Presentation, Aviator?s Chronograph? Vacheron & Constantin, Genève, No. 250752 / 402831, case No. 402831. Made on special order for the English Crown in 1925 and sold in 1926 via the Goldsmith?s Company. Presented to Admiral Richard Byrd in commemoration of his 1926 Arctic Expedition. Historically important and possibly unique, extra large and thin, gentleman?s 18K pink gold wristwatch chronometer with co-axial single button chronograph and register.

C. Three-body, solid, polished and brushed, sloped bezel, downturned lugs. D. Silvered, slightly amber-colored, sand-textured with indelible dauphine numerals on two-tone dial, subsidiary seconds and 30-minute register dials, outer minute/second track with Arabic five-minutes/seconds and 1/5th second scale. Blackened gold "Breguet? hands. M. Cal. 17???, by Louis Elisée Piguet, rhodium-plated, "fausses-côtes" decoration, 24 jewels, straight line lever escapement, second generation Guillaume balance adjusted to 5 positions and temperature with gold timing screws, Breguet balance-spring, Vacheron Constantin?s micrometer regulator (Patent CH 101652, registered on 1 November 1923). Dial, case and movement signed. Diam. 45 mm. Thickness: 12 mm.

?Singing Bird Necessaire? Les Frères Rochat, musical movement attributed to Francois Lecoultre, and Charles Louis Desserre goldsmith. Geneva/France, made circa 1815. A superb and particularly rare gold, gilt-metal, mother-of-pearl and turquoise Boite a Necessaire, with Singing Bird and musical movements, Original plush-lined, tooled and gilt fitted case, the lid stamped with the initial P. within a scallop-shaped cartouche.

The Case: In the form of a scallop shell, the body of cast, chased and richly gilt-metal, standing upon four winged lion?s paw feet beneath a ring of flower-heads, the band decorated in high relief with pendant swags, floral garlands and laurel-leaf sprays with alternating large and small carved and inset mother-of-pearl cameo portrait busts of classical form, the larger each surmounted by a single cabochon turquoise. Scalloped rear corners with musical trophies and applied bearded masks. The hinged lid with a raised edge band of ribbon foliage beneath turquoise set garlands and a further band of flower heads with an acanthus lip retaining the large carved, polished and engraved natural scallop shell (barely visible hairline) set with further crescent and oval patterns in cabochon turquoise. The lid is released by depressing the small central carved cameo, and opens to reveal the velvet and pink silk tray housing the assortment of instruments de couture including 2 scissors, a knife, thimble, bodkin case, bobbin, scent bottle, propelling pencil and thread/pill cases etc., all in two-colour gold with chased decoration and set with cabochon turquoise, with a bound silk protecting cushion and an inset mirror within the lid, partly relieved to clear the bird set-off lever. The Singing Bird Movement: The rectangular movement with brass plates, fusee and chain, eight cams and a piston with sliding whistle for the song's modulation. The cams rotate four times per song and lift one step every rotation, allowing a long duration of singing. The multicolored feathered bird with moving wings, beak, tail and turning head and rotating on its axis, with the inside of the medallion mirror polished and concave, enlarging the bird in its reflection, the internal grill bright-cut engraved. Cam-controlled raising of the bird medallion and the bird, with five-wheel train finished by a pinion in eccentric bushing to regulate the speed of the opening and closing. The bird cover of gold, decorated with an assortment of summer flowers on a deep brown ground is opened, the bird raised and set in motion, and the song started with a sliding frame affixed to the lid of the lacquered metal protecting box housing the movement, and released by the detent in the necessaire tray. Musical Movement: Brass bedplate and pin barrel, with a comb of 93 steel teeth, mounted in groups of three, with an additional single bass tongue. Going barrel and fly-controlled wheel train. Playing two tunes released by detents in the back of the case. Both mechanisms screwed to a wooden base plate to maximise the sound resonance. Signatures: Bird movement: FR - within an oval, No.135. Mainspring: Carrisol a Geneve 1811. Music movement: Numbered 1315. Scratched initials AP. Mainspring: Perret. Gold instruments: Punched French hallmarks for the period 1809 - 1819. Maker?s mark: CLD incuse for Charles Louis Desserre. Dim. 180 x 150 x 880 mm.

?The Platinum Mono-Poussoir? Patek Philippe & Cie, Genève, No. 860229, case No. 604815. Made in 1937, sold on January 17, 1939. Exceptional and possibly unique gentleman's platinum wristwatch with single button chronograph on the crown, two-tone sector dial, instantaneous 30-minute register, tachometer and a platinum Patek Philippe buckle. Recently serviced by Patek Philippe and accompanied by the original fitted box and Extract from the Archives.

C. Three-body, solid, polished, rounded bezel, concave curved lugs, hinged back. D. Two-tone, five change, silvered with applied platinum baton indexes, subsidiary seconds and instantaneous 30-minute register dials, outer tachometer graduation, concentric 1/5th second scale. Blued steel ?feuille? hands. M. 13''', by Piguet, rhodium plated, 23 jewels, straight line lever escapement, cut bimetallic balance, Breguet balancespring, the winding-crown is for start-stop and return to zero functions of the chronograph. Dial, case and movement signed. Diam. 33.8 mm. Thickness 10.7 mm.