B. Haas Jne & Cie, Besançon, Paris - Genève - Fournisseur Breveté de S. M. L'Empereur - No. 13005, circa 1874.Very fine and rare 18K gold hunting cased, keyless watch, Remontoire Perpétuel, English Patent No. 3945, dated December 5, 1873.

C. Four body, massive, "bassine et filets", fully engraved in a star-and-heart pattern, the cover centred with a small engraved monogram, the back with a small rosette. Hinged gold cuvette decorated with medals awarded at the Exhibition in Paris in 1867. D. White enamel with Roman numerals, outer Arabic minute ring and sunk subsidiary seconds. Gold paste-set hands. M. 18''', nickel plated, 18 jewels, straight line lever escapement, cut bimetallic balance, blued steel Breguet balance spring. Haaspatented winding device by opening and closing the cover.Diam. 48 mm.Accompanied by copies of the original patents.

B. Haas Jne. & Cie., Genève-Paris, Swiss, No. 14302, circa 1875.Fine 18K gold keyless, watch with double calendar.

C. Four body, massive, bassine et filets, the engine-turned back with monogram A.C. Gold cuvette, engine-turned on the border and engraved:Mi-Chronomètre, with dedication: Souvenir 17 Septembre 1883. D. White enamel with Roman numerals, outer Arabic minute ring, sunk subsidiary dials for seconds, week days and dates. Gold "spade" hands. M. 18''', nickel plated, "fausses côtes" decoration, 18 jewels, counterpoised, adjustable, straight line lever escapement, cut bimetallic balance, Breguet balance spring.Signed on the case.Diam. 50 mm.

B. Haas Jeune & Cie, Genève, Paris, No. 15310,circa 1876.Fine and unusual 18K gold hunting cased, minute repeating pocket chronometer with 4 day power reserve indication.

C. Four body, massive, "bassine", engine-turned, the cover engraved with a small monogram. Hinged gold cuvette with engine-turned border. D. White enamel with Roman numerals, sunk subsidiary seconds and Up-and-Down sector. Gold "spade" hands. M. 19''', frosted and gilt, three-quarter plate, 15 jewels in screwed settings for the going train, pivoted detent escapement with gold escape wheel, blued steel helical balance spring with terminal curves. Repeating on gongs with slide in the band.Signed on the cuvette.Diam. 55 mm.

A. Haas & Colin, fabricants, 141 Bd. Sébastopol, Paris, No. 18304, Swiss, circa 1878.Fine 18K gold, hunting cased, keyless, quarter repeating moon phase astronomical watch with triple calendar.

C. Four body, massive, "bassine et filets", the engine-turned cover with the engraved monogram: P.M. Gold cuvette with engine-turned border and engraved with the date: Junio 29 de 1878. D. White enamel with Roman numerals, outer Arabic minute ring, sunk subsidiary seconds with inner moon phase aperture, subsidiary dials for the days of the week, the date and small aperture for the months. Blued steel "fleurs-de-lys" hands. M. Glazed 19''', nickel plated, "fausses côtes" decoration, 29 jewels, conterpoised adjustable straight line lever escapement, cut bimetallic balance, Breguet balance spring. Repeating on gongs with slide in the band.Signed on the cuvette.Diam. 53 mm.

Haas Neveux & Co., Genève, No. 15490, circa 1890.Fine and very rare 18K pink gold, hunting cased keyless watch with split dead independent centre-seconds.

C. Four body, massive, "bassine", polished. Hinged gold cuvette. D. White enamel with Roman numerals and gilt outer Arabic minute and seconds ring. Gold "spade" hands. M. 19''', frosted and gilt, double train with differential winding, 29 jewels, counterpoised straight line lever escapement, cut bimetallic balance, Breguet balance spring. Split dead independentcentre-seconds mechanism with flirt on the escape wheel pinion, the split centre-seconds stopped and released by means of a button in the band.Trademark with serial number punched inside the back.Diam. 54 mm.

B. Haas Jeune & Co, Genève, Paris, No. 15698,circa 1895.Very fine 18K pink gold, hunting case, moon phase, astronomical keyless, quarter repeating, pocket watch with perpetual calendar.

C. Four body, massive, "bassine et filets", polished. Gold cuvette, polished. D. White enamel with Roman numerals, gilt outer Arabic minute ring, subsidiary dials for the days of the week, the months of the leap-year cycle, the dates and the seconds with inner moon phase aperture. Gold "spade" hands. M. 20''', nickelplated, "fausses côtes" decoration, 31 jewels,counterpoised straight line lever escapement, cut bimetallic balance, Breguet balance spring. Repeating on gongs with slide in the band.Trademark with serial number punched inside the back.Diam. 56 mm.

Haas Neveux & Co., Genève, No. 18650, circa 1890.Fine and very rare 18K pink gold, two time zone, keyless minute repeating watch with chronograph,30-minute progressive recorder and alarm.

C. Four body, massive, "bassine", polished. Hinged gold cuvette. D White enamel with Breguet numerals, outer Arabic minute and chronograph rings, inner Roman chapter ring for local time and alarm setting, sunk subsidiary seconds and minute register. Blued steel and gold "spade" hands. M. 18''', nickel plated, punched with the Geneva quality marks, "fausses côtes" decoration, 44 jewels, double train with differential winding, counterpoised straight line lever escapement, cut bimetallic balance, Beguet balance spring with swan neck micrometric index. Repeating on gongs with button on the winding crown, chronograph with visible work and push-piece in the band. Alarm on gongs with independent train.Signed on the dial, trademark on the case.Diam. 54 mm.

Ancienne Maison B. Haas Jeune, Haas Neveux & Cie. Srs. Genève, Paris, No. 24213, circa 1900.Fine 18K gold and enamel, Art Nouveau keyless watch.

C. Four body, massive, "demi-bassine", fully decorated with raised thistle flower and foliage in an Art Nouveau pattern, against a light green ground. Hinged gold cuvette with a dedication dated August 15, 1901. D. White enamel with Breguet numerals, sunk centre and subsidiary seconds; Gold "spade" hands. M. 17''', rhodium plated, "fausses côtes" decoration with Geneva quality marks, 18 jewels, straight line lever escapement, cut bimetallic balance, Breguet balance spring.Signed on the dial, cuvette and movement.Diam. 49 mm.

Haas Neveux & Co., Genève, No. 20132, circa 1930.Fine and elegant 18K gold, extra flat, keyless, minute repeating, dress watch.

C. Double body, massive, "bassine pincée", polished, the back engraved with a small monogram,a dedication dated April 21, 1933, engraved inside.D. Two-tone silver with Breguet numerals and sunk subsidiary seconds. Blued steel "spade" hands.M. 17''', rhodium plated "fausses côtes" decoration, punched with the Geneva quality marks, 29 jewels, straight line lever escapement, cut bimetallic balance, Breguet balance spring. Repeating on gongs with slide in the band.Trademark on the case.Diam. 46 mm.

Haas Neveux & Co., Genève, No. 20136, circa 1930.Fine and elegant 18K gold, extra flat, keyless, minute repeating dress watch.

C. Double body, massive, "bassine pincée", polished. D. Frosted silver with Breguet numerals and sunk subsidiary seconds. Blued steel "spade" hands.M. 17''', rhodium plated "fausses côtes" decoration, punched with the Geneva quality marks, 29 jewels, straight line lever escapement, cut bimetallic balance, Breguet balance spring. Repeating on gongs with slide in the band.Trademark on the case.Diam. 45 mm.

Ancienne Maison B. Haas Jeune, Haas Neveux & Cie; Successeurs, No. 3510, circa 1910.Fine 18K gold, flat, keyless, minute repeating, dress watch.

C. Three body, massive, "bassine pincée", polished. Hinged gold cuvette. D. Silver engine-turned with Breguet numerals and sunk subsidiary seconds. Blued steel "spade" hands. M. 17''', rhodium plated "fausses côtes" decoration, 29 jewels, straight line lever escapement, adjusted cut bimetallic balance, Breguet balance spring. Repeating on gongs with slide in the band.Signed on the cuvette, trademark on the case.Diam. 45 mm.

Ancienne Maison B. Haas Jeune, Haas Neveux & Cie; Successeurs, No. 40997, circa 1910.Very fine 18K gold and enamel, keyless, dress watch.

C. Three piece, massive, decorated with blue flinqué enamel and white champlevé enamelled lines, the back centred with a sunflower chased in high relief and further flower garlands and ribbon knots. Hinged gold cuvette. D. Silver engine-turned with Arabic numerals and sunk subsidiary seconds. Blued steel "spade" hands. M. 17''', rhodium plated, "fausses côtes" decoration, punched with the Geneva quality marks, 18 jewels, straight line lever escapement, cut bimetallic balance, Breguet balance sprng.Signed on the cuvette, trademark on the case.Diam. 47 mm.

Haas Neveux & Co., Genève, No. 70299, circa 1920.Fine and very rare 18K gold and enamel Art Deco keyless dress watch.

C. Three piece, massive, knife edge with black enamelled band, the bezel with pink and green floral decoration over a black ground, the back decorated en suite with subsidiary ramolayé decoration over a black ground. D. Silver satiné with applied gold Breguet numerals and sunk subsidiary seconds. Gold Breguet hands. M. 16''' 1/2, rhodium plated, "fausses côtes" decoration, with Geneva quality marks,18 jewels, straight line lever escapement, cut bimetallic balance, Breguet balance spring.Signed on the dial, trademark on the case.Diam. 51 mm.

Haas Neveux & Co., Genève, No. 70011, circa 1920.Fine and very elegant rock crystal, platinum mounted, diamond set skeleton keyless dress watch.

C. Three piece with platinum mounted rock crystal bezel and back, diamond-set band and bow, seed-pearl winding crown. D. Frosted silver engine-turned with applied gold Breguet numerals. Gold Breguet hands. M. 16''', rhodium plated, "fausses côtes" decoration, with Geneva quality marks, 18 jewels, straight line lever escapement, cut bimetallic balance, Breguet balance spring.Signed on the dial, trademark on the case.Diam. 51 mm.

Haas, Swiss, No. 61267, circa 1920.Fine and elegant 18K gold square keyless dress watch.

C. Three piece, massive, square, polished. D. Frosted gold with Roman numerals. Blued steel Breguet hands. M. 16''', rhodium plated, 18 jewels, straight line lever escapement, cut bimetallic balance, Breguet balance spring.Signed on the case and movement.Dim. 43 x 43 mm.

H. R. Ekegrén, Genève, No. 14546, circa 1875.Fine and extremely rare 18K gold hunting cased, keyless Montre à tact with double calendar and chronometer escapement.

C. Five body, massive, "bassine et filets", cover and back engraved with formal decoration in a rosette pattern, the back panel fitted with a tiny touch-piece, revolving within a bezel engraved with Roman numerals, the band with touch-pieces. Hinged gold cuvette centred with the à tact aperture and inner hinged bezel above the dial. D. White enamel with Roman numerals, sunk subsidiary seconds, dates and days of the week. Blued steel "spade" hands. M. 19''', frosted and gilt, bar calibre with goig barrel fitted to the centre with the "à tact" device, 15 jewels, spring detent escapement, cut bimetallic balance, blued steel balance spring with terminal curve.Signed on the cuvette.Diam. 53 mm.

H. R. Ekegrén, Geneva, No. 77379, made byE. Koehn, for J. E. Caldwell & Co., Philadelphia,circa 1908.Fine and unusual 18K gold, keyless watch with centre-seconds.

C. Three body, massive, "demi-bassine", polished with concealed hinge, the back engraved with initialsL. J. Hinged gold cuvette engraved with a dedication dated 1908. D. White enamel with Breguet numerals and outer minute and seconds ring. Blued steel Breguet hands. M. 17''', nickel plated, 18 jewels, counterpoised straight line lever escapement, cut bimetallic balance, Breguet balance spring with swan neck micrometric index.Signed on the dial, cuvette and movement.Diam. 47 mm.

H. R. Ekegrén, Geneva, No. 77813, made byE. Koehn, for J. E. Caldwell & Co., Philadelphia,circa 1910.Fine 18K gold, keyless quarter repeating watch.

C. Four body, massive, "bassine", polished. Hinged gold cuvette with engine-turned border. D. White enamel with Arabic numerals, outer gilt minutes ring and sunk subsidiary seconds. Gold Breguet hands.M. 18''', nickel plated, 29 jewels partly in goldscrewed settings, counterpoised straight line lever escapement, cut bimetallic balance, Breguet balance spring with swan-neck micrometric index. Repeating on gongs with slide in the band.Signed on the dial cuvette and movement.Diam. 51 mm.

H. R. Ekegrén, Geneva, No. 78156, made byE. Koehn, for J. E. Caldwell & Co. Philadelphia,circa 1910.Fine and rare 18K gold keyless minute repeating watch à poussoir with independent repeating train.

C. Four body, massive, "bassine", polished. Hinged gold cuvette with engine-turned border. D. White enamel with Breguet numerals, outer minute ring and sunk subsidiary seconds. Gold Breguet hands. M. 17''', nickel plated, double train with differential winding, 35 jewels, counterpoised straight line lever escapement, cut bimetallic balance, Breguet balance spring. Minute repeating on gongs with independent train released by depressing the button on winding crown.Signed on the dial, case and movement.Diam. 48 mm.

H. R. Ekegrén, No. 78486, Geneva, made byE. Koehn, for J. E. Caldwell & Co., Philadelphia,circa 1910.Fine 18K pink gold, keyless minute repeating watch with split-seconds chronograph and 60-minute instantaneous recorder.

C. Four body, massive, "demi-bassine", polished. Hinged gold cuvette. D. White enamel with Breguet numerals, outer chronograph ring, sunk subsidiary seconds and minute register. Blued steel Breguet hands. M. 18''', rhodium plated, 36 jewels, straight line lever escapement, cut bimetallic balance, Breguet balance spring. Repeating on gongs with slide in the band. split-seconds chronograph with visible work, released by the winding crown and with push-piece in the band.Signed on the dial, case and movement.Diam. 52 mm.