C. two-body, solid, polished, screwed-down case back. D. off-white enamel with applied pink gold indexes, auxiliary second dial. "Dauphine" pink gold hands. M. Cal. 12'''-600 AT, stamped with the Geneva Quality Hallmark, rhodium-plated, "fausses-côtes" decoration, 30 jewels, straight line lever escapement, Gyromax balance adjusted to heat, cold, isochronism and 5 positions, shock-absorber, self-compensating free-sprung Breguet balance-spring, micrometer regulator, 18K gold rotor. Dial, case and movement signed. Diam. 35 mm.
Grading System: AAA
CHF 50,000 - 60,000
EUR 38,000 - 40,000
USD 33,000 - 35,000
Sold: CHF 50,600
C. two-body, solid, polished, screwed-down case back. D. off-white enamel with applied yellow gold indexes, auxiliary second dial. "Dauphine" yellow gold hands. M. Cal. 12'''-600 AT, stamped with the Geneva Quality Hallmark, rhodium-plated, "fausses-côtes" decoration, 30 jewels, straight line lever escapement, Gyromax balance adjusted to heat, cold, isochronism and 5 positions, shock-absorber, self-compensating free-sprung Breguet balance-spring, micrometer regulator, 18K gold rotor. Dial, case and movement signed. Diam. 35 mm.
Grading System: AAA
CHF 20,000 - 25,000
EUR 13,000 - 17,000
USD 12,000 - 15,000
Sold: CHF 24,725
C. two body, solid, polished, on the rounded bezel, four overhanging fluted decoration, straight lugs. D. matte silver with applied gold Roman numerals and indexes. "Bâton" yellow gold hands. M. Cal. 12 ''' stamped with the Geneva Quality Hallmark, rhodium-plated, ?fausses-côtes? decoration, 20 jewels, straight line lever escapement, monometallic balance adjusted for heat, cold, isochronism and 5 positions, self-compensating Breguet balance-spring, micrometer regulator. Dial, case and movement signed. Diam. 34 mm
Grading System: 
CHF 40,000 - 50,000
EUR 27,000 - 35,000
USD 24,000 - 30,000
C. three-body, polished and brushed, screwed case back, graduated revolving bezel for decompression times, "Triplock" winding-crown, at 9 o'clock, on the band, the gas escape valve, crystal with "Cyclops" lens. D. black with tritium-coated round, triangular and bâton indexes, aperture for the date, the words "Sea-Dweller - Submariner 2000" in red. "Skeleton" tritium-coated hands. M. Cal. 1570, rhodium-plated, 26 jewels, lever escapement, monometallic balance adjusted to temperature and 5 positions, self-compensating Breguet balance spring. Dial, case and movement signed. Diam. 40 mm.
Grading System:
CHF 35,000 - 40,000
EUR 23,000 - 27,000
USD 20,000 - 24,000
C. two-body, polished and brushed, screw-down case back and crown. D. matte silver with inlaid gold pyramidal indexes and Arabic numerals, "guilloché" auxiliary dials for the seconds, the 12-hour and 30-minute registers, outer blue painted graduation for the days of the month, apertures for the days of the week and the months. ?Dauphine" yellow gold hands. M. 13''', rhodium-plated, 17 jewels, lever escapement, monometallic balance, self-compensating Breguet balance-spring. Dial, case and movement signed. Diam. 36 mm.
Grading System:
CHF 0 - 0
EUR 0 - 0
USD 0 - 0
Sold: CHF 322,500
C. two-body, solid, polished, hinged case back, faceted bezel, flat top crystal. D. matte silver with applied white gold Breguet numerals, concentric, graduation for the days of the month, aperture for the days of the week and the months. "Cathédrale" blued steel hands. M. Cal. 10??? rhodium-plated, "fausses-côtes" decoration, 18 jewels, straight line lever escapement, cut bimetallic balance, Breguet balance-spring. Dial and movement signed, numbered on the case. Dim. 26 x 36 mm.
Grading System: AAA
CHF 35,000 - 40,000
EUR 26,000 - 28,000
USD 23,000 - 24,000
Sold: CHF 46,000
C. two-body, solid, polished, dedicated hinged case back, facetel bezel, domed crystal. D. matte silver with applied yellow gold Breguet numerals, auxiliary dials for the seconds, the days of the month, of the week and the months, sector for the age of the moon, aperture for the moon phases. "Cathédrale" yellow gold hands. M. Cal. 10???, rhodium-plated, "fausses-côtes" decoration, 18 jewels, straight line lever escapement, cut bimetallic balance, Breguet balance-spring. Numbered on case and movement. Engraved on the back. "My Dearest, remember me always, Your loving Aline, Dec. 2nd, 1947." Dim. 26 x 36 mm.
Grading System: AAA
CHF 50,000 - 60,000
EUR 35,000 - 40,000
USD 30,000 - 35,000
C. two-body, solid, polished, stepped sides and superimposed crescent-shaped lugs. D. matte silver with applied white gold radial Roman numerals and square indexes, auxiliary seconds dial. ?Bâton? white gold hands. M. Cal. 9'''-90, tonneau, rhodium-plated, ?fausses-côtes? decoration, 18 jewels, lever escapement, monometallic balance adjusted to heat, cold, isochronism and 5 positions, self-compensating Breguet balance-spring, micrometer regulator. Dial, case, and movement signed. Dim. 24 x 42 mm.
Grading System:
CHF 0 - 0
EUR 0 - 0
USD 0 - 0
Sold: CHF 157,500
C. three-body, solid, "variée", polished with satiné back and milled revolving bezel. D. cloisonné enamel with the map of North America and gold indexes, outer Arabic dark and light revolving chapter ring for day and night hours and the world time chapter ring, bearing the name of 42 cities, regions and countries around the world and revolving with the bezel according to the Louis Cottier world time patent. Gold hands. M. cal. 17'''-170 HU, rhodium-plated, "fausses-côtes" decoration, 18 jewels, straight line lever escapement, cut bimetallic balance adjusted to heat, cold, isochronism and five positions, blued steel Breguet balance spring with swan-neck micrometric index. Signed on the dial, case and movement. Diam. 45 mm.
Grading System:
CHF 0 - 0
EUR 0 - 0
USD 0 - 0
Sold: CHF 597,500
C. three-body, solid, polished and brushed, hand-engraved revolving reeded bezel bearing the names of 41 cities in the world, teardrop lugs. D. in polychrome cloisonné enamel representing the map of four continents; applied pink gold indexes and Roman numerals, concentric, revolving dial in 24 hours for the nocturnal and diurnal hours. Pink gold ?fancy? hands. M. cal. 12'''-400 HU, rhodium-plated, "fausses-côtes" decoration, 18 jewels, lever escapement, cut bimetallic balance adjusted for heat, cold, isochronism and 5 positions, Breguet balance spring, micrometer regulator. Dial, case and movement signed. Diam. 31 mm.
Grading System:
CHF 0 - 0
EUR 0 - 0
USD 0 - 0
Sold: CHF 2,753,500
comprising: 1. ?Les Dignitaires de L?Horlogerie? by Charles Thomann, Neuchâtel, 1981. 2. ?La Reparation en Horlogerie? by S. Paris, 1er Prix E.H.P. 1927, Paris, 1949. 3. ?Les Automates? by Alfred Chapuis and Edmond Droz, Neuchâtel, c. 1950. 4. ?Contribution à l?amélioration du réglage des montres à ancre?, Chaux-de-Fonds, 1968. 5. ?Pendules Neuchâteloises?, documents nouveaux by Alfred Chapuis, Neuchâtel, c. 1960. 6. ?A.-L. Breguet Pendant La Révolution?, Neuchâtel, 1953; ?Lehrbuch der Uhrmacherei? by C. Saunier, 3. Band, Bautzen, c. 1890. 7. ?Les Savants du XVIIe Siècle et la Mesure du Temps? by L. Defosez, Lausanne, 1946. 8. ?Zauberhafte Econ Gehäuse der Zeit?, Düsseldorf und Wien, 1974. 9. ?Taschenuhren? by Reinhard Meis, München, 1982.
Grading System:
CHF 800 - 1,000
USD 480 - 600
Sold: CHF 920
Lot of nine horological books.
comprising: 1. ?Horlogerie Électrique? by R.P. Guye and M. Bossart, Lausanne, ca. 1950. 2 & 3. ?Théorie Géneral de l?Horlogerie? par Léopold Defosses, La Chaux-de-Fonds, 1950, No. 1230 out of 2200, 2 volumes. 4. ?Le Marché Américan de la Montre Suisse Depuis 1950?, Fribourg, 1968. 5. ?L?Aspect Horloger des Relations Commerciales Américano-Suisses de 1929 a 1950?, La Chaux-de-Fonds, 1956. 6. ?Terminologie Horlogère Français et Anglaise?, by Edward Heaton, Bienne, 1918. 7. ?Pierre Le Roy et La Chronométrie? by Paul Ditisheim, Roger Lalier, L. Reverchon, Paris, 1940. 8. ?Les Écoles Suisses d?Horlogerie?, Zurich, c. 1940. 9. ?Grands artisans de la Chronometrie? by Alfred Chapuis, NeuchIatel, 1958.
Grading System:
CHF 800 - 1,000
EUR 550 - 690
USD 480 - 600
Sold: CHF 2,185
comprising: 1. ?Old Clocks and Their Makers? by F.J. Britten, 3rd Edition, London, 1911. 2. ?Notes pratiques pour l?horloger? by G.-A. Berner, Bienne, c. 1940. 3. ?L?Échappement a Cylindre (1720-1950)? by Henry L. Belmont, Bienne, 1984. 4. ?L?Horlogerie: Une Tradition Helvétique?, Neuchatel, 1948. 5. ?La Montre Automatique Ancienne? by Alfred Chapuis and Eugène Jaquet, Neuchatel, 1952. 6. ?Histoire et Technique de La Montre Suisse? by Eugène Jaquet and Alfred Chapuis, Olten, 1945.
Grading System:
CHF 600 - 800
EUR 410 - 550
USD 360 - 480
Sold: CHF 1,035
London 1799, First Edition Printed For The Author and sold by Mess. Payne, Cadell and Davies, etc. 176 pages, 11.51? x 91?. 9, folding plates in rear. Rebound in medium brown polished calf. Text is clean, bright and in superb condition. Very light foxing to last two plates. Name on (replaced) front free endpaper. Index written in modern hand on (replaced) rear free endpaper.
Grading System:
CHF 3,000 - 4,000
EUR 2,000 - 2,800
USD 1,800 - 2,400
Sold: CHF 17,250
?Montres et Émaux de Genève?, Collection H. Wilsdorf,
No. 246 of a limited edition of 900, Édition du Journal Suisse d?Horlogerie et de Bijou-terie, Lausanne, 1944. Cloth-bound, 236 pages, pasted photographs separated by tissue paper. Endpaper with name and date. Rolex collection of enamel watches. Good condition.
Grading System:
CHF 200 - 300
EUR 140 - 200
USD 120 - 180
Sold: CHF 1,380
London 1810, Printed for the author by D.N. Shury, Berwick Street, Soho. Sold by Longman, Hurst. List of subscribers, 92 pages. Rebound in tan calf on green cloth. 4 hand-colored engraved plates, "the four quarters of the world" with one folding and four engraved plates. Foxing to first six and last eleven pages, else text is clean and bright. 29.3 x 23.5 cm.
Grading System:
CHF 2,000 - 2,500
EUR 1,400 - 1,700
USD 1,200 - 1,500
Sold: CHF 11,500
Gatty, Mrs. Alfred, ?The Book Of Sun-Dials? London, Bell And Daldy, 1872:
- First Edition, pebbled brown cloth. Mottled fore-edges of front and rear covers. Text is clean and tight with foxing of first two plates in rear. Attractive armorial bookplate on paste-down endpaper. 155 pages, 28.5 x 23 cm. - Second Edition 272 pages, 21.7 x 13.4 cm. Nine folding copper plates. Possibly lacking frontis. Rebacked in style. Text is exceptionally clean.
Grading System:
CHF 1,800 - 2,200
EUR 1,200 - 1,500
USD 1,100 - 1,300
Sold: CHF 2,070
Cummings, Alexander, ?The Elements Of Clock and Watch-Work?,
with 16 engraved plates found sequentially in the back of the volume. Bound in contemporary speckled calf, spine somewhat age-browned. Some cracking of leather over hinges, however binding is sound. 19th century bookplate on paste-down endpaper. Light foxing to title page else text and plates are exceptionally clean and bright.
Grading System:
CHF 2,500 - 3,000
EUR 1,700 - 2,000
USD 1,500 - 1,800
Sold: CHF 5,750
Cummings, Alexander, ?The Elements Of Clock and Watch-Work?,
Adapted to Practice In Two Essays London 1766. Printed for the author. First Edition. Contemporary marbled boards with wear to corners, green calf spine with no evidence of spine label. As usual errata slip is absent. Text is exceptionally clean with 16 engraved plates interspersed in text, 192 pages plus index. 25.8 x 20.3 cm.
Grading System:
CHF 2,500 - 3,000
EUR 1,700 - 2,000
USD 1,500 - 1,800
Sold: CHF 8,050
19 folding plates, 28 plates total, 452 pages. Rebound in style in light brown speckled calf with raised bands and gold stamping on spine. Archival tape repair to closed edge tear on half title page. Small round 1848-dated blind stamp on upper right hand corner of title page. Tiny "care cataloged" stamp at bottom of title page. 18 folding engraved plates with light occasional foxing to edges.
Grading System:
CHF 1,800 - 2,200
EUR 1,200 - 1,500
USD 1,100 - 1,300
Sold: CHF 35,650