Alain Silberstein, Architecte Horloger, "Pikto" Automatique, No. 116/500, Ref. PK11. Produced in a limited edition of 500 examples in the late 1990's.Fine, rare and unusual, thick, center-seconds, self-winding, water-resistant, stainless steel gentleman's wristwatch with date and a stainless steel Alain Silberstein link bracelet and deployant clasp.

C. two-body, polished, transparent screwed-down case back, straight cylindrical lugs, triangular winding-crown with red enamel inlay, sapphire crystals anti-reflective on both sides. D. white with Arabic numerals and indexes graduated to five minutes, aperture for the date. "Arrow" single black hand with colored geometrical symbols, "Serpentine" yellow hand for the seconds. M. Cal. 2892A2 customized by Alain Silberstein, rhodium-plated with matte finish, 21 jewels, straight line lever escapemen, monometallic balance, shock-absorber, self-compensating flat balance-spring, micrometer regulator.Dial, case and movement signed.Diam. 38 mm.

Alpina, retailed by Walser Wald, Buenos Aires. Produced in the 1930's.Fine and rare, keyless, silver and enamel purse watch bearing a hinged sliding mechanism which transforms the watch into a desk clock .

C. four-body, solid, polished, outer case decorated with an Art Deco motif in black and white enamel, hinged and spring-loaded mechanism to display the watch. D. white with radium-coated Arabic numerals. "Skeleton" radium-coated blued steel hands. M. Cal. 763, rhodium-plated, 15 jewels, straight line lever escapement, cut bimetallic compensation balance, blued steel flat balance-spring.Dial, case and movement signed, case also signed "Gruen".Dim. 31 x 43 mm.

Audemars Piguet, Genève, No. 47893B, case No. 47893. Produced circa 1944.Very fine, 18K yellow gold gentleman's wristwatch.

C. three body, solid, polished, concave lugs. D. matte silver with applied pink gold "bâton" indexes, auxiliary seconds dial. "Bâton" pink gold hands. M. Cal. 13''', half-plate, rhodium-plated, "fausses-côtes" decoration, 19 jewels, straight line lever escapement, monometallic balance adjusted to 8 positions, blued steel Breguet balance-spring.Dial, case and movement signed.Diam. 32 mm.

Audemars Piguet, Genève, No. 54223. Produced in the 1960's.Fine, tonneau-shaped, 18K yellow gold lady's wristwatch with an 18K yellow gold Audemars Piguet buckle. Accompanied by a fitted box.

C. two-body, solid, polished and brushed, cabochon sapphire-set winding-crown. D. matte silver with painted radial Roman numerals. "Bâton" black hands. M. Cal. K2050/3, rhodium-plated, "fausses côtes" decoration, 20 jewels, lateral lever escapement, Gyromax balance adjusted for heat, cold, isochronism and 5 positions, shock-absorber, self-compensating free-sprung balance-spring.Dial, case and movement signed.Dim. 17 X 30 mm.

Audemars Piguet, Genève. Produced in the 1990's.Fine, square and curved, 18K white gold and diamonds lady's wristwatch with an 18K white gold Audemars Piguet buckle.

C. two-body, solid, polished, bezel set with diamonds. D. mother-of-pearl with diamond indexes. "Bâton" black hands. M. with quartz standardization.Dial, case and movement signed.Dim. 22 x 22 mm.

Audemars Piguet, Genève, "Royal Oak Automatic", No. 5397. Produced in the 1990's.Fine, tonneau-shaped, center-seconds, self-winding, water-resistant, stainless steel and 18K white gold gentleman's wristwatch with date and an Audemars Piguet stainless steel integrated bracelet with deployant clasp. Accompanied by a fitted box and certificate.

C. three-body, polished and brushed, octagonal 18K white gold bezel with 8 hexagonal white gold nuts embanked in 8 white gold screws on the case back, screwed-down winding-crown, sapphire crystal. D. anthracite with "Clous-de-Paris" decoration, luminous white gold indexes, aperture for the date. "Bâton" luminous white gold hands. M. Cal. 2225, rhodium-plated, "fausses côtes" decoration, 19 jewels, straight line lever escapement, monometallic balance, shock-absorber, self-compensating flat balace-spring.Dial, case and movement signed.Diam. 36 mm.

Autorist, No. 0566. Produced in the 1930's.Fine, rare and interesting, rectangular curved, early self-winding, chrome-nickel gentleman's wristwatch.

C. two-body, hinged, polished, stepped bezel. D. guilloché silver with painted Arabic numerals. "Index" and "Skeleton" blued steel hands. M. Cal. 796, rhodium-plated, "fausses côtes" decoration, 15 jewels, straight line lever escapement, cut bi-metallic compensation balance, flat balance spring.Dial and movement signed. Movement also engraved "Pat. appld. for".Dim. 13 x 28 mm.

Bailey, Banks & Biddle Co., Philadelphia, ''8 Days'', No. 342513. Produced circa 1920's.Fine, keyless, chrome-nickel deck watch. Accompanied by a silver fitted case.

C. four-body, ''bassine'', polished, hinged cuvette. D. white enamel with painted oversized Arabic numerals, recessed subsidiary seconds. ''Spade'' blued steel hands. M. Cal. 26''', nickel, ¾ plate, damascened, 15 jewels, straight line lever escapement, cut bimetallic compensation balance with screws, blued steel Breguet balance spring.Dial signed, case numbered and signed ''Swiss''.Diam. 70 mm.

Birch & Gaydon Ltd, 153 Fenchurch Street, London, "Mark II", Reversing Stop Watch for Equal Distance Bomb Sight, Height in Thousands of Feet, Ref. 176, Swiss. Produced in the 1940's.Fine and rare, stainless steel, military, single round button, back and forth "retrograde" chronograph.

C. three-body, brushed, lobed revolving bezel, wire lugs. D. white with painted Arabic numerals graduated from 0.5 to 14, the red hand on the outer graduation in fifth of a second can be set by turning the bezel. "Bâton" blued steel chronograph hand. M. Cal. 18 3/4 ''', gilt brass, 15 jewels, straight line lever escapement, monometallic balance, self-compensating Breguet balance-spring. The pusher at 11 is for stopping the chronograph hand, the co-axial pusher on the winding-crown is for startig the chronograph function back and forth and return to zero.Case numbered.Diam. 56 mm.

Breitling 1884, "Blue Angels". Produced in the 1990's.Fine, center-seconds, water-resistant to 20 atm., anodized black aviator's quartz wristwatch with date and a stainless steel Breitling buckle. Accompanied by a fitted box and certificate.

C. three body, matte, graduated and revolving bezel, screwed-down case back and crown. D. black with luminous Arabic numerals, "Blue Angels" logo, aperture for the date. "Bâton" luminous white hands. M. with quartz standardization.Dial, case and movement signed.Diam. 38 mm.

Breitling. Produced in the 1950's.Fine, 18K yellow gold gentleman's wristwatch with square button split-seconds chronograph and register.

C. three-body, solid, polished and brushed, lapidated lugs. D. gold with painted Arabic numerals, auxiliary dials for the seconds and the 30-minute register. "Bâton" black hands. M. Cal.13 1/2''', rhodium-plated, 20 jewels, straight line lever escapement, monometallic balance, blued steel Breguet balance-spring, co-axial pusher on the winding-crown for the split-seconds mechanism.Dial and movement signed, case numbered.Diam. 36 mm.

Bulova. Produced in the 1930's.Fine, rare and interesting, rectangular curved, early self-winding, chrome-nickel gentleman's wristwatch.

C. three-body, polished, double case back. D. off-white with applied stylized Arabic numerals, auxiliary seconds dial. "Index" blued steel hands. M. rhodium-plated, 17 jewels, mechanical with automatic winding.Dial signed.Dim. 22 x 38 mm.

Cartier "Santos". Produced in the 1980's.Fine, water-resistant, stainless steel and gold lady's quartz wristwatch with a Cartier gold buckle.

C. three body, polished and brushed, case back with 8 screws, bezel with 8 pins, "Vendôme" type lugs, cabochon sapphire-set winding-crown. D. white with painted radial Roman numerals, secret Cartier signature. "Epée" blued steel hands. M. with quartz standardization.Dial, case and movement signed.Diam. 27 mm.

Cartier "Santos". Produced in the 1990's.Fine, water-resistant, stainless steel and yellow gold mid-size quartz wristwatch with date and a stainless steel and yellow gold Santos link bracelet and deployant clasp.

C. three body, polished and brushed, case back with 8 screws, bezel with 8 pins, sapphire-set winding-crown. D. white with painted radial Roman numerals, aperture for the date, secret Cartier signature. "Epée" blued steel hands. M. with quartz standardization.Dial, case and movement signed.Diam. 30 mm.Approx. overall length 170 mm.

Cartier "Santos", Automatique. Produced in the 1990's.Fine, square, center-seconds, self-winding, water-resistant, stainless steel and 18K yellow gold gentleman's wristwatch with date, 38 hours autonomy and a brushed, integrated stainless steel and 18K yellow gold Cartier bracelet and deployant clasp.

C. two-body, polished and brushed, case back with screws, polished 18K yellow gold bezel with 8 pins, protected octagonal sapphire-set winding-crown, sapphire crystal. D. white with painted radial Roman numerals, aperture for the date, secret Cartier signature. "Epée" blued steel hands. M. Cal. 077, rhodium-plated, "fausses côtes" decoration, 25 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating flat balance-spring.Dial, case and movement signed.Dim. 29 x 29 mm.Approx. overall length 170 mm.

Cartier, "Pasha Chronograph", Ref. 1032. Produced in the 1990's.Very fine, water-resistant to 100 m/330 ft, stainless steel, 18K yellow gold and diamonds gentleman's wristwatch with round button chronograph, registers, date and a stainless steel Cartier link bracelet and deployant clasp.

C. three-body, solid, polished and brushed, case back with 8 screws, 18K yellow gold bezel set with diamonds, "Vendôme" type lugs, cabochon sapphire-set pushers and winding-crown with screwed-down protective cap and chain, sapphire crystal. D. guilloché silver with luminous dots and a "12", auxiliary gold dials for the seconds, the 12 hour and 30 minute registers, aperture for the date. "Lozenge " luminous hands. M. with quartz standardization.Dial, case and movement signed.Diam. 38 mm.

Cartier, "Santos", No. 296171908. Produced in the 1980's.Fine, large, center-seconds, self-winding, stainless steel and 18K yellow gold gentleman's wristwatch with date and a stainless steel and 18k yellow gold integrated Cartier bracelet with a deployant clasp.

C. two body, solid, polished and brushed, gold bezel with 8 steel screws, sapphire-set winding crown, case back with 8 screws. D. white with painted radial Roman numerals, aperture for the date. "Epée" blued steel hands. M. rhodium plated, 17 jewels, straight line lever escapement, monometallic balance, shock-absorber, self-compensating flat balance-spring.Dial, case and movement signed.Dim. 28 x 28 mm.Approx. overall length 160 mm.

Cartier, "Pasha Grille", Ref. 1028. Produced in the 1990's.Very fine, center-seconds, self-winding, water-resistant to 100 m/330 ft, 18K yellow gold and diamonds gentleman's wristwatch with date and an 18K yellow gold Cartier deployant clasp.

C. three-body, solid, polished and brushed, case back with 8 screws, bezel and protective grill set with diamonds, "Vendôme" type lugs, cabochon sapphire-set winding-crown with screwed-down protective cap and chain. D. guilloché silver with painted radial Roman numerals and luminous indexes, aperture for the date, secret Cartier signature. "Lozenge " luminous hands, sapphire crystal. M. Cal. 191 signed Cartier, rhodium-plated, "oeil-de-perdrix" decoration and engraved plates with the Cartier loo, 27 jewels, straight line lever escapement, monometallic balance, shock-absorber, self-compensating flat balance spring.Dial, case and movement signed.Diam. 38 mm.

Cartier, "Pasha Grille", No. 0408/1847. Produced in a limited edition of 1847 pieces for the 150th anniversary of Cartier in 1997.Very fine and rare, center-seconds, self-winding, water-resistant to 330 ft/100 m., stainless steel gentleman's wristwatch with date and a stainless steel Cartier deployant clasp.

C. three-body, polished and brushed, transparent case back with screws, revolving graduated bezel, detachable grille to protect the crystal, "Vendôme" type lugs, cabochon ruby-set winding-crown with screwed-down protective cap and chain. D. "guilloché" silver with painted radial Roman numerals and tritium-coated indexes on a plain reserve, aperture for the date, secret Cartier signature. "Lozenge" tritium-coated steel hands. M. Cal. 049 signed Cartier, rhodium-plated, "oeil-de-perdrix" decoratin, 21 jewels, straight line lever escapement, monometallic balance, shock-absorber, self-compensating flat balance-spring, micrometer regulator.Dial, case and movement signed.Diam. 38 mm.

Cartier, "Pasha", Automatic, Ref. 1040-1. Produced in the 1980's.Fine, center-seconds, self-winding, water-resistant, stainless steel gentleman's wristwatch with date and an integrated, polished and brushed Cartier bracelet with deployant clasp.

C. three body, polished and brushed, case back with screws, revolving graduated bezel, "Vendôme" type lugs, sapphire-set winding-crown with protection cap, sapphire crystal. D. matte silver with painted Arabic numerals, applied gold bâton and tritium-coated round indexes, aperture for the date. "Lozenge" blued steel tritium-coated hands. M. Cal. 191, rhodium plated, "oeil-de-perdrix" decoration and engraved with the Cartier logo, 27 jewels, straight line lever escapement, monometallic balance,hock-absorber, self-compensating flat balance-spring.Dial, case and movement signed.Diam. 38 mm.