Vacheron & Constantin, Genève, "Malte Dual Time Régulateur", No. 909188, case No. 728804, Ref. 42005. Produced circa 2000. Very fine, two time-zone, self-winding, water-resistant, 18K white gold gentleman's chronometer wristwatch with regulator dial, 24-hour indication, date, 65-hour autonomy and 18K white gold Vacheron Constantin buckle. Accompanied by a box and certificate.

C. three-body, solid, polished, transparent case back with 6 screws covered with a hinged 18K white gold cover bearing a mirror inside, pusher on the band to activate thesecond 24 hour time zone, flat bezel, fluted geometrical-shaped lugs, sapphire crystal. D. two-tone matte silver with painted Arabic numerals for the minute indications, auxiliary guilloché ring dial for the seconds and date in black and red Arabic numerals and the inscription "Automatic" on the 6, auxiliary 24-hour dial for the second time zone in black and red painted Arabic numerals as well with a "guilloché" center bearing the inscription "Dual Time", auxiliary hour dial in painted Roman numerals and indexes on the 12, signature on the 3. "Epée" and "Lozenge" white gold hands. M. Cal. 1206, rhodium-plated, "fausses côtes" decoration, 31 jewels, straight line lever escapement, monometallic balance, shock-absorber, self-compensating flat balance spring, yellow gold rotor. Dial, case and movement signed. Diam. 38 mm.

Vacheron & Constantin, Genève, No. 489274, case No. 314700. Produced in the 1940's. Fine and rare flat center-seconds, 18K yellow gold gentleman's wristwatch with 18K yellow gold Vacheron Constantin woven bracelet.

C. two-body, solid, polished, rounded bezel, hidden lugs. D. two-tone silver with applied yellow gold dart, triangular indexes and Roman numerals. "Bâton" yellow gold hands. M. P 454/5B rhodium-plated, "fausses côtes" decoration, 17 jewels, straight line lever escapement, monometallic balance adjusted to temperatures, shock-absorber, self-compensating Breguet balance-spring, micrometer regulator. Dial, case and movement signed. Diam. 36 mm.

Vacheron & Constantin, Genève, "Les Historiques", No. 775400, case No. 654625, Ref. 92239. Produced in the 1990's, sold on November 29, 2000. Fine, 18K yellow gold gentleman's wristwatch with an 18K gold Vacheron Constantin buckle. Accompanied by a fitted leather folder and certificate.

C. two body, solid, polished, stepped bezel, concave lugs. D. matte silver with applied gold dart indexes and Arabic numerals, auxiliary seconds dial. "Baton" yellow gold hands. M. Cal. 1014/1, rhodium-plated, "fausses côtes" decoration, 21 jewels, straight line lever escapement, monometallic balance adjusted for heat, cold, isochronism and 5 positions, self-compensating flat balance-spring. Dial, case and movement signed. Diam. 33 mm.

Vacheron & Constantin, Genève, No. 559609, case No. 378865, Ref. 6506. Produced circa 1960. Fine, extra-flat, 18K pink gold gentleman's wristwatch with an 18K pink gold buckle.

C. two-body, solid, polished, straight lugs. D. satine silver with applied pink gold indexes. "Baton" pink gold hands. M. Cal. 1003, stamped with the Geneva Quality Hallmark, rhodium-plated, "fausses cotes" decoration, 17 jewels, straight line lever escapement, monometallic balance adjusted for heat, cold, isochronism and 5 positions, self-compensating flat balance-spring. Dial, case and movement signed. Diam. 33 mm.

Vacheron & Constantin, Genève Automatic, No. 494676, case No. 322841. Produced at the end of the 1940's. Fine center-seconds, self-winding, water-resistant, 18K yellow gold gentleman's wristwatch with an 18K yellow gold tiled bracelet.

C. two-body, solid, polished, screwed-down case back, rounded band and bezel, overhanging fluted lugs. D. two-tone silver with applied yellow gold Roman numerals and dart indexes. "Bâton" yellow gold hands. M. Cal. 477/1, rhodium-plated, "fausses côtes" decoration, 17 jewels, straight line lever escapement, monometallic balance adjusted to temperatures, shock-absorber, self-compensating Breguet balance-spring, rotor "à butoirs". Dial, case and movement signed. Diam. 35 mm. Approx. overall lengh 190 mm.

Villard Automatic, so-called "Permadate". Produced in the 1970's. Unusual center-seconds, self-winding, water-resistant, cushion-shaped, stainless steel gentleman's wristwatch with date and a permanent calendar (days of the week and of the month).

C. two-body, polished and brushed, screwed-down case back, lapidated bezel and lugs. D. champagne, faceted steel indexes, aperture for the date, over the 6, a numerical plate with the days of the months, aperture for the days of the week. "Bâton" tritium-coated steel hands. M. Cal. UT 52, rhodium-plated, 25 jewels, straight line lever escapement, monometallic balance, shock-absorber, self-compensating flat balance-spring. Signed on the dial. Dim. 36 x 36 mm.

W. Allemann, Montreux (Suisse). Produced in the 1930's. Fine, rectangular curved, nickel-chromium, gentleman's wristwatch.

C. two-body, polished, hinged case back, lapidated bezel and lugs, domed crystal. D. matte silver with painted indexes. "Epee" blued steel hands. M. Cal. 9''', rhodium-plated, "fausses cotes" decoration, straight line lever escapement, cut bimetallic balance, flat balance-spring. Signed on the dial. Dim. 21 x 39 mm.