Clocks, Watches & Scientific Instruments online

George Washington Portrait 18kt Gold Open-face Watch, embossed profile of George Washington wearing a wreath of laurels on the multicolored engrav...

Ed Koehn 18kt Gold Open-face Pendant Watch with Compass Fob, Switzerland, silvered dial with Breguet-style numerals and hands, engine-turned case ...

Perry & Sandoz No. 2262 Open-face Watch, roman numeral porcelain dial marked as above, key-wind, key-set movement engraved "Perry & Sandoz/Locle/n...

Two Demi-hunter and Two Early Pendant Watches, a watch with enameled dial marked "Lepine Paris" with diamond-encrusted bezel, pierced movement pla...

Two Gerard-Perregaux & Co. "Shell Oil" Open-face Watches, with skeletonized dials, roman numeral black chapter rings, one with gilt hands, stem-wi...

14kt Gold Orloff & Co. Cocktail Wristwatch, rectangular dial with applied 12-3-6-9 arabic numeral bezel representing the chapter ring, twin-link b...

Two Gerard-Perregaux & Co. "Shell Oil" Open-face Watches, with skeletonized dials, roman numeral black chapter rings, one with gilt hands, stem-wi...

18kt Gold Hunter-case Pendant Watch and Chain, unmarked Swiss watch marked "Remontoire/10 Rubies" on the cuvette, interior case back engraved with...

18kt Gold Swiss Hunter-case Watch, no. 42154, fully engraved and embossed case with a two-tone silver and gilt roman numeral dial, sunk seconds, 1...

Eight Pocket Watches and Two Chains, an enameled-back Swiss pendant watch; an Omega arabic numeral dial with swing-out movement and a signed Omega...

18kt Gold Hunter-case Watch, no. 39323, unsigned arabic numeral enameled dial with sunk center and seconds, gilt hands, stem-wind, lever-set, thre...

Three Open-face Gold Pendant Watches and Brooches, a 14kt gold LeCoultre with inset diamonds and arabic numeral dial; an 18kt gold and diamond Swi...

14kt Agassiz Open-face Pocket Watch Signed Tiffany & Co., Agassiz Watch Co., Switzerland, no. 230560, 14kt gold open face case with number as abov...

C.H. Meylan Platinum Gem-set Watch, diamond-encrusted outer bezel, ruby-set inner bezel, silvered dial with applied diamond arabic numerals at 3-6...

Longines Platinum and Diamond Open-face Watch, applied diamond-encrusted roman numerals, silvered center with applied dot minute markings, syringe...

Two Doxa Erotic Open-face Watches, oversized silveroid case with a painted arabic numeral dial, and an applied cast brass bust of a woman with flo...

14kt Gold Hunter-case Watch and 10kt Gold Fob, no. 201083, porcelain dial with sunk seconds, movement plate engraved "No. 201083/R.W. Co. Rockford...

A. & U. Bourquin 18kt Gold Hunter-case Watch, roman numeral dial with sunk seconds, pierced-tipped hands, key-wind, key-set movement engraved "A. ...

Two Chain Fusee Silver-cased Watches, Alexander Gray no. 3300, and John London no. 3026, with swing-out movements and dust covers. Estimate $200...

Four Key-wind Pocket Watches, three chain fusee examples with swing-out movements, one marked on plate "Woolwich/50/1169/Geo. Hogg," another marke...

Robert Clench Silver Pair-case Watch, Dublin, Ireland, no. 9488, bull's-eye crystal, arabic numeral dial, pierced gilt hands, key-wind, key-set, s...

Painted Porcelain Dial Open-face Watch, painted roman numeral dial depicting a hunting scene, rotating seconds disc with images of hunters, swing-...

Sterling Silver Wind Indicator Open-face Watch, John Murrison, Oldeldrum, Scotland, no. 9933, roman numeral dial with wind indicator and constant ...

Two M.J. Tobias Open-face Watches, Liverpool, one with silvered roman numeral dial with engraved eagle and shield, sunk seconds, and gilt hands, c...

Two London Pair-case Watches, a Charles Dunlop with enameled dial and gilt paddle hands, pierced balance cock, and silvered regulator, engraved "7...

J.B. Benson 18kt Gold Demi-hunter Watch, fully engraved case with a roman numeral enameled dial, cuvette engraved in part "Watch Maker by Warrant/...

M.J. Tobias 18kt Gold Independent Seconds Hunter-case Watch, enameled dial with outer minute track, independent center seconds, constant seconds s...

Silver Pair-case Watch Marked "Samson," London, no. 20064, roman numeral painted enameled dial depicting a woman holding an anchor, with a three-m...

Joseph Johnson 14kt Gold Hunter-case Watch, Liverpool, no. 4007, fully engraved case marked "4007" with swing-out, key-wind, chain fusee movement ...

Tompion Sterling Silver Watch, Coventry, England, no. 3434, hinged bull's-eye glass enclosing the roman numeral enameled dial, swing-out, key-wind...

Liverpool Hunter-case Pocket Watch, R. & G. Beesley, no. 23382, fully decorated case with engine-turned interior with a shield reading "P.L. Taylo...

14kt Gold Zenith Open-face Watch, retailed by Ross Pennell Co., silvered dial with applied Breguet numerals, running seconds at 6, high dome cryst...

Longines Watch Co. 14kt Gold Open-face Watch, Chains, and Penknife, retailed by Bailey, Banks & Biddle Co., arabic numeral enameled dial with pier...

James Nardin 18kt Gold Minute-repeating Chronograph Hunter-case Watch, roman numeral enameled dial marked "James Nardin/Locle," with minute and ta...

Longines Platinum and Diamond Open-face Watch, diamond-encrusted roman numerals inset into a black lacquered ground, silvered center with applied ...

Ulysse Nardin 18kt Gold Hunter-case Watch, arabic numeral enameled dial with sunk seconds marked "Ulysse Nardin Locle," cuvette engraved "No. 1039...

Audemars Piguet & Co. Platinum Open-face Diamond Bezel Watch, silvered dial with Breguet-style applied gilt numerals, subsidiary second, gilt hand...

Patek Philippe & Co. Diamond and Ruby Open-face Watch, for Tiffany & Co., inset ruby and diamond bezel enclosing the silvered dial with applied do...

Invicta Platinum and Diamond Open-face Watch, diamonds set along the edge of case and bow, silvered arabic numeral dial marked "Chronometre De Pre...

Patek Philippe & Co. Platinum Open-face Watch, silvered dial with applied arabic numerals and dot minute track, sunk seconds and Breguet-style han...

Patek Philippe & Co. 18kt Gold and Enameled Hunter-case Watch, no. 36717, fully engraved and enameled case, unmarked roman numeral porcelain dial ...

18kt Gold Patek Philippe & Co. Open-face Watch and Box, no. 93234, enameled roman numeral dial with arabic outer minute track, sunk seconds, gold ...

14kt Gold Open-face Minute Repeating Watch, retailed by Udall & Ballou, New York, no. 24220, arabic numeral dial with gilt pierced hands and sunk ...

R.W. Roath Sterling Silver Open-face Watch, Norwich, Connecticut, no. 6936, c. 1830, roman numeral dial with running seconds, and blued-steel hand...

14kt Gold Waltham "Riverside" Hunter-case Watch, no. 3321929, fully engraved case marked "Mary" on the front, red outer arabic minute track, sunk ...

Hamilton Watch Co. "927" in "O'Hara" Coin Silver Case, Lancaster, Pennsylvania, engraved hunter case marked "O'HARA 7170," with roman numeral dial...

Two Illinois Watch Co. "Bunn Special" Open-face Watches, both with arabic numeral dials with sunk center and seconds, 21-jewel, stem-wind, lever-s...

Two Illinois Watch Co. "Sixty Hour Bunn Special" Watches, both with arabic numeral dials with sunk center, and seconds, 21-jewel, stem-wind, lever...

Waltham 14kt Gold Lady's Hunting Case Pocket Watch, engraved hunting case marked " Leon W.C. Co.," enameled roman numeral dial with sunk seconds m...

Two Hamilton Watch Co. "992B" Open-face Watches, both with arabic numeral dials with sunk center and seconds, one with a 24-hour marker and marked...

Two Hamilton Watch Co. "992B" Open-face Watches, both with arabic numeral dials with sunk center and seconds, marked "Hamilton," stem-wind, lever-...

Seven Pocket Watches, a Waltham and Elgin both with roman numeral dial and sunk seconds, stem-wind, stem-set movement, and 14kt gold case, the Wal...

Gruen Art Deco Open-face Platinum Watch, recessed gem-set roman numerals, silvered center with applied dot minute track and reading "Gruen," with ...

Hamilton 14kt White Gold and Diamond "921" Open-face Watch, applied ruby and diamond arabic numerals, outer diamond minute track, sunk seconds, an...

Two Illinois Watch Co. "Sixty Hour Bunn Special" Watches, both with arabic numeral dials with sunk center, and seconds, 21-jewel stem-wind, lever-...

Two Illinois Watch Co. "Sixty Hour Bunn Special" Watches, both with arabic numeral dials with sunk center, and seconds, 21-jewel stem-wind, lever-...

Two Ball Watch Co. "Official Standard" Open-face Watches, each with arabic numeral porcelain dial with running seconds, one with swing-out, stem-w...

Two E. Howard Open-face Watches, both with arabic numeral dial with sunk center and seconds, stem-wind, lever-set, swing-out movement, one a 21-je...

Two Ball Watch Co. "Official Standard" Open-face Watches, each with arabic numeral porcelain dial with running seconds, and stem-wind, lever-set m...

Five American Watches and a Swiss Watch, an unusual Waltham open-face watch with luminescent arabic numerals, Mercedes-style hands, sunk seconds, ...