Your search for "enamel" in Watches / Jewellery returned: 230 hits - Cortrie Special-Auctions for Watches and Jewellery in Hamburg

292-4283 Pocket watch: significant Geneva chronometer with 7 complications, B. Haas, Geneva, circa 1890 Ca. Ø54mm, ca. 150g, 18K gold, à-goutte savonnette, engine-turned, dome inscribed "CHRONOMETRE", signed B. Haas Jne & Cie No. 15333, top-quality Geneva Anker chronometer, perpetual calendar, moon phase, age of the moon and minute repeater, very well-preserved enamel dial, gold hands, in very good condition and in working order. Very few pocket watches of chronometer quality feature complications. This is because it was difficult to achieve the accuracy required of a chronometer in watches that had additional complications. Only a few manufacturers, such as Patek Philippe, Vacheron & Constantin and, indeed, B. Haas, were capable of doing so. These watches are now particularly sought-after and highly prized collector’s items! The ‘sister watch’, No. 15773, was offered for sale in Geneva in 2010 (https://www.cortrie.de/go/PoA). Another of these watches, No. 15849, even exceeded the upper estimate of CHF 55,000 (https://www.cortrie.de/go/7Z6). 20.000 € - 50.000 €

292-4284 Pocket watch: significant gold and enamel hunting case pocket watch, 5th Shah of Persia, Mozaffar ad-Din, ca. 1905 Ca. Ø55mm, ca. 131g, 18-carat gold, very fine painting of the 5th Shah of Persia on the front, Mozaffar ad-Din, as commander of the Persian Guard, original diamond and ruby setting; on the reverse, the Persian coat of arms featuring a lion, a sabre, a sun and a laurel wreath, the rim also beautifully enamelled, serial number 47722, dome inscribed ‘Mouvement de la Vallee’, dome also listing the complications: minute repeater and chronograph, glazed movement, highly complex Swiss precision lever movement with minute repeater and chronograph, extremely rare dial in red engine-turned enamel, gold numerals, gold hands, in working order. The watch is in a marvellous state of preservation; both paintings are original and have not been restored. The signature ‘Mouvement de la Vallee’ is an indication of the high quality for which movements from the ‘Vallee’ are renowned, such as those by Le Coultre or Louis-Elisée Piguet. This is either the personal watch of the 5th Shah of Persia or an extremely valuable gift watch. We are aware of another example with an identical case but a standard ‘white’ dial, from the Dr Crott Anniversary Auction 2015, with an estimated price of €75,000–85,000. Mozaffar ad-Din Shah (1853–1907) reigned as Shah of Persia from 1896 to 1907. 35.000 € - 100.000 €

292-4285 Pocket watch: a significant, large enamelled watch for the Chinese market, attributed to Jaquet-Droz, circa 1780 Approx. Ø61.5 mm, ca. 173 g, 18-carat gold, set with Oriental pearls on both sides, very fine enamel painting on the reverse, presumably based on a painting by FRANCESCO BARTOLOZZI, magnificent cylinder movement with diamond endstone and original dome; the design, ornate engraving, inscriptions and quality all point to this watch being attributable to the eminent Jaquet-Droz; enamelled dial, original, typical Jaquet-Droz gold hands, movement intact, minor damage to the glaze at the edge of the enamel (crack/flaw within the glaze – no chip). Enamel watches produced by Jaquet-Droz for the Chinese market are among the greatest treasures in the world of enamel timepieces. A watch identical in almost every detail and bearing almost the same serial number was auctioned in Geneva in 2004 and fetched 63,000 Swiss francs (https://www.cortrie.de/go/4eD). 15.000 € - 75.000 €

292-4286 ‘Pocket watch/pendant watch’ – museum-quality, large, extremely rare, particularly early heart-shaped enamel watch, ca. 1780 Ca. 49 x 67 mm, approx. 71 g, 18-carat gold, red engine-turned enamel with multicoloured paillons inlays, absolutely sensational quality of enamel, verge movement signed ‘Chailly à Lille’, enamelled dial, gold hands, in working order and very well preserved, case in its original, unrestored condition, museum-quality, extremely rare shaped watch of impressive quality and size. Watches of this quality and size are known only from Cox and Piguet & Meylan, which are now traded at collector’s prices. 10.000 € - 30.000 €

292-4287 Form watch: a very rare gold and enamel violin with a scent container and musical score decoration, J.A. Köstler, Vienna, c. 1800 Ca. 70 mm long, ca. 28 g, gold and enamel, fantastic painting, signed verge movement, enamel dial, movement intact, small chip beneath the strings, otherwise very well preserved, movement intact, renowned Viennese watchmaker, active from 1781. 4.500 € - 7.500 €

292-4288 Pocket watch/shaped watch: arguably the rarest gold and enamel mandolin with a musical score depicted as a sheet of music, c. 1800 Ca. 63 mm long, ca. 20 g, 18-carat gold, original Oriental pearl setting, red engine-turned enamel, No. 2062, Sides depicting a musical score of the piece *Paul et Virginie* by Jean-François Le Sueur; the front offers a view of the balance wheel; the case opens to reveal the hidden verge movement; enamelled dial (small chip on the winding aperture); gold hands; the movement is intact and very well preserved. According to Luc Van Cauwenbergh, an expert and author on shaped clocks, only six examples with a musical score as side decoration are known to exist; one of these was offered at auction in Zurich in 2015 and sold for 14,900 Swiss francs. 8.000 € - 15.000 €

292-4289 Figurative watch/pendant watch: museum-quality, very fine, particularly large gold and enamel figurative watch set with diamonds, ‘Scarab’, probably Geneva, c. 1860 Ca. 64 mm long, ca. 41 g, 18-carat gold, red engine-turned enamel, magnificent diamond setting, extremely detailed depiction of the scarab, oval-shaped movement with cylinder escapement and key winding; the glazed frame for a memento between the case back and the dome is very rare; at the lower end, a miniature push-button for opening the wings, beneath which lies the perfectly preserved enamel dial, blued steel hands, in working order and in good condition; in terms of size and quality, one of the most valuable scarab-shaped clocks known to exist; the movement is running but urgently requires cleaning. 8.000 € - 15.000 €

292-4290 Figurative watch: one of the rarest gold and enamel figurative watches, ‘The Pair of Cherries’, probably Geneva, c. 1810 Approx. 70 mm long, ca. 52 g, 18-carat gold, red enamel, one cherry containing a concealed watch, verge escapement, enamel dial; the other cherry is a perfume bottle/vinaigrette, with a gold ratchet key, with the movement intact and superbly preserved, a museum-quality rarity. 10.000 € - 30.000 €

292-4291 Form watch: an absolute rarity, presumably the only known Patek Philippe ‘Flakon’ with an extract from the archives, 1854 Ca. 48 x 27 mm, 18K gold, blue enamel and diamonds set in silver, upper section with hinged flacon clasp, secret opening button for the lid concealed in one of the chain eyelets, numbered No. 1, opens on both sides, heart-shaped cylinder movement with key winding, signed beneath the dial, No. 9608, screw-fixed enamel dial, gold hands, original gold/enamel chatelaine with key and signet ring bearing the monogram CJ, with the movement intact, and some restoration to the enamel. The watch is a museum-quality rarity and is likely to be one of a kind. The number 1 also suggests this. We are not aware of any other flacon by Patek Philippe. The case maker is also thought to be from Geneva. The extract from the archives confirms the heart-shaped movement, manufactured in 1854. In many enamel flacon watches, the movement manufacturer and the case maker were different companies. In most cases, the movements were French or from Vienna; extremely rarely, they were from Geneva, like the prominent case makers. According to our research, there are around 10 known Patek Philippe shaped watches with heart-shaped movements, all dating from the 1850s; however, none of them was a flacon. 19.000 € - 35.000 €

292-4292 Form watch: very fine gold and enamel lorgnette set with diamonds, A. Golay Lereche, Geneva, c. 1850 Approx. 90 mm long, ca. 44 g, 18-carat gold, magnificent engraving, blue enamel, set with diamonds, concealed cylinder movement, very well-preserved enamel dial, very good original condition, movement intact. 12.000 € - 16.000 €

292-4293 Pendant watch: important enamelled watch ‘Huaud fecit’, ca. 1685, movement by Domenicus Molenaer, Amsterdam Ca. Ø36mm, high-carat gold, fully enamelled, reverse depicting Herod, Herodias and Salome; inside, a castle with a knight; on the side, the usual four cartouches with views of the castle, which form a connection to the inner painting; signed verge movement; enamelled dial; gold hands; in unrestored original condition; fine firing cracks in the enamel; case signed ‘Huaud Le Puisné fecit’; movement intact. Many of the surviving Huaud cases from around 1685 were fitted with movements from the early and mid-18th century, as is the case with this clock. Huaud clocks with movements dating from around 1685 command extremely high prices, as the majority of these clocks have later movements; source: 1. Dutch movement from the 18th century. (https://www.cortrie.de/go/5e3). 2. Early 17th-century movement (https://www.cortrie.de/go/3eA). A Huaud enamel watch featuring an identical painting depicting Herod, Herodias and Salome is held in the Louvre’s collection. 20.000 € - 30.000 €

292-4294 Pendant watch: a significant, unique pair of gold and enamel pendant watches, Blois 1640/1650 1. Ca. Ø 33 mm, ca. 34 g, gold, high carat, probably 20 carat, case fully enamelled, top and bottom featuring elaborate, highly detailed mythological scenes; the reverse of the bowl depicts ‘THE JUDGEMENT OF PARIS’ and the lid shows the ‘ALLEGORY OF JUSTICE’. The rim of the case features four cartouches with landscape scenes. The source material consists of engravings by Michel Dorigny; the images themselves are thought to be by Simon Vouet (1590–1649). The black bezel is known only from three cases from Blois; it features a very fine, early verge movement with vase-shaped pillars, a two-arm balance wheel without a hairspring, a mainplate signed ‘Laurier Blois’, an enamelled dial and gold hands. It is in an outstanding state of preservation, with minimal cracking around the edge. François Laurier was recorded in Blois around 1650 and died in 1663. Blois enamel clocks from around 1650 with movements from that period are museum pieces. Many of these cases, which were already prized as works of art at the time, contain 18th-century movements. The clock presented here is an original from Blois dating from around 1640/50, a museum-quality collector’s item. Comparable clocks: 1. (https://www.cortrie.de/go/xqG), 2. (https://www.cortrie.de/go/N9J), 3. (https://www.cortrie.de/go/Xl1). 2. Case with absolutely identical dimensions and of absolutely identical construction, ca. Ø33mm, ca. 34g, gold, high carat, presumably 20K, case fully enamelled; the top and bottom feature elaborate, highly detailed mythological scenes, whilst the inside of the case shows an idealised landscape with a farmhouse and a fisherman in the river, and the inside of the caseback depicts a riverside landscape with trees and a village in the foothills. The reverse of the bowl depicts ‘Ceres, Bacchus and Venus during the grape harvest, watched by a lynx’, whilst the lid shows the scene ‘Ceres, Bacchus and Venus celebrating wildly’. The rim of the case features four cartouches with landscape scenes. The designs are based on engravings by Michel Dorigny; the accompanying images are thought to be by Simon Vouet (1590–1649). The movement is an early verge movement with vase-shaped pillars, a two-arm balance wheel without a hairspring, a mainplate signed ‘François Berger, Paris’, an enamelled dial and iron hands; the watch is in an outstanding state of preservation. NOTE: To the best of our knowledge, this is the only known pair of Blois enamel clocks. Equally remarkable is the fact that both clocks still possess their original movements from that period; the third aspect of their extreme rarity is the size of the clocks, which differs significantly from the usual size of known Blois enamel clocks! 50.000 € - 200.000 €

292-4295 Museum-quality gold agate snuff box, a so-called ‘stone cabinet’, attributed to Johann Christian Neuber of Dresden, c. 1780 Ca. 8.5 x 6.2 x 3 cm, ca. 172 g, octagonal case, later fitted with two French import hallmarks for gold dated 1864–1893. The octagonal snuffbox is set with 60 numbered stones (a very typical feature, also found on other snuffboxes by Neuber) of semi-translucent and opaque hard stones, including a variety of dendritic and banded agates, jasper, chalcedony and others, separated by narrow gold bars. The hinged lid is set with 16 stones, each individually numbered on the gold bars on the inside of the lid. In the centre is an oval portrait cartouche beneath a domed rose quartz with a narrow blue enamel border, framed by a wide, chased and engraved frame. The base is similarly designed; the numbers 45 to 60 are engraved on the gold bars around the edge and radiate outwards from a central oval agate panel. The sides are set with 28 rectangular agate inlays set within narrow gold frames and are also numbered (17 to 44). The gold borders on the lid are geometric and engraved with ovals and flowers; the vertical bars feature a wavy pattern, and the surrounding base strip is decorated with an interlaced band motif. The box is of outstanding quality and in very good condition. Johann Christian Neubers’ precious boxes are now held in major collections and museums around the world. They possess a special allure. Both the meticulous technique of the gem-setting and the gem-cutting itself, and above all the very tasteful selection and arrangement of the stones, have long made Neuber’s boxes highly sought-after collector’s items. The Dresden court jeweller and gem-cutter Johann Christian Neuber (1736–1808) learnt the crafts of goldsmithing and gem-cutting in Dresden under his future father-in-law, Heinrich Taddel. In 1762, he was admitted to the Dresden Goldsmiths’ Guild. From 1767 he worked for the court; from 1769 he was in charge of the Green Vault; and in 1775 he was appointed court jeweller. Neuber’s works are characterised by early Classicism. His speciality was the creation of snuff boxes adorned with gold and gemstones, which were frequently presented as royal gifts. In 1781, as a token of honour from the Saxon King Friedrich August for the French diplomat Baron de Breteuil, who played a key role in bringing about the Peace of Teschen, Neuber crafted a ceremonial table, which is regarded as his masterpiece. Further octagonal ‘Steinkabinett’ snuff boxes by Johann Christian Neuber are illustrated and described in *Gold, Jasper and Carnelian: Johann Christian Neuber at the Saxon Court*, edited by Alexis Kugel, London 2012. A round ‘Steinkabinett’ snuff box is held in the Hermitage collection. If any of his works come onto the market at all, they fetch collector’s prices at auction. Examples: 1. https://www.cortrie.de/go/AZO 2.https://www.cortrie.de/go/Wo8 3. https://www.cortrie.de/go/24R 4. https://www.cortrie.de/go/xjD 40.000 € - 200.000 €

292-4301 Important, large enamel plaque, circa 1650, probably from Blois Ca. 69 mm in diameter, gilt silver setting, plaque presumably made of gold, early depictions of the Virgin Mary and the Infant Jesus on both sides, the very fine enamel painting, presumably from Blois circa 1650, extremely rare! Enamel plaques from this period and of this quality are highly prized and appear only extremely rarely (https://www.cortrie.de/go/mdP). 6.000 € - 25.000 €

292-4303 Pendent watch: single-hand, early pendant watch, Plantard Abbeville, c. 1650 Ca. Ø51.5mm, double case, protective case with decorative studs, leather covering no longer present, inner case in silver, early, signed verge movement without hairspring, balance, very distinctive pillars, two-colour enamel dial, iron hands, in working order, by a significant watchmaker. 11.500 € - 15.000 €

292-4312 Pendant watch: a significant, museum-quality astronomical watch in gold, enamel and rock crystal, made by S. Bartram c. 1620–1630 Ca. 90 x 45 mm, ca. 232 g, exceptionally rare size, gold, enamel and facetted rock crystal, signed oval movement with balance wheel and gut string, exquisitely engraved astronomical dial with 7 complications, calendar, moon phase and zodiac calendar, single-hand, silver dial with engraved village scene, very good condition, in working order, a sensational early astronomical pendant watch. Provenance: Sotheby’s 1982, estimated price 200,000–250,000 Swiss francs, previously in various important collections, including the Carl Marfels Collection, the Edward Hornby Collection and the George Daniels Collection, illustrated in Clutton/Daniels’ *Watches* Nos. 109–111. Gold pendant watches from this period are generally extremely high-quality, museum-grade collector’s items: 1. (https://www.cortrie.de/go/NoQ). 2. (https://www.cortrie.de/go/NoQ). The hammer price includes 19% German VAT! This means that the price will be reduced by 19% for buyers with a delivery address outside the EU. Only a few examples are known to feature a highly complicated astronomical movement. The watch has been known for many decades through numerous changes of ownership and is considered unique. Opinions among experts differ regarding the case. According to George Daniels, the movement and case date from around 1620; there are clear similarities with the gold and enamel setting of the Streibel watch. According to Simon Bull, a renowned expert on early clocks, it is highly likely that this clock is one of the famous works by Reinhold Vasters, who created significant rock crystal, gold and enamel pieces in the 19th century and incorporated important original components from the Renaissance period into his clocks (https://www.cortrie.de/go/Ble).(https://www.cortrie.de/go/EZZ). His outstanding works are now held in major collections and museums and fetch record prices at auction. Seventy years after his death, design drawings discovered at the Victoria and Albert Museum in London proved that, for example, numerous exhibits on display there of the ‘Renaissance jewellery’ in vogue at the time, as well as at least 45 others from the Metropolitan Museum of Art in New York, were of his own making. These include, for example, the famous ‘Rospigliosi Bowl’, which had previously been attributed to Benvenuto Cellini. 40.000 € - 250.000 €

292-4316 A significant, complicated Renaissance figure clock, ‘Standing Lion’, with automaton, ‘MD’, Augsburg, c. 1610 Ca. 35 cm high, bronze, gilt, ebonised wood. Dial: silver, with polychrome cloisonné enamel inlays, inlaid Roman and Arabic numerals, iron hands. Movement: brass and iron movement, stamped master’s mark ‘MD’ within the coat of arms, profiled, stepped iron pillars, brass gear train, verge escapement, brass wheel detent, lock disc, going train with gut string and fusee, additional barrel for striking mechanism, strikes a bell, movement intact. The automaton: The figure of the lion is crafted from fire-gilt bronze. When the hour strike is triggered, a mechanism is set in motion: the lion moves its eyes in time with the balance wheel and opens its mouth in synchronisation with the strike. For technical details, please request a condition report. The hammer price includes 19% German VAT! This means that the price will be reduced by 19% for buyers with a delivery address outside the EU. Provenance: Private collection, USA; sold at the 79th Dr Crott auction for ca. €90,000. This is one of the most significant and rarest Renaissance table clocks. An identical sister clock fetched 174,000 Swiss francs at Koller in Zurich. A total of just four such clocks are known to exist! The clock is illustrated in *Die Welt als Uhr – Deutsche Automatenuhren 16./17.Jh.*. 40.000 € - 100.000 €

292-4322 Pocket watch: A rarity, a very early John Arnold chronometer with a gold balance spring, ca. 1785 Ca. Ø54mm, ca. 140g, silver case in typical Arnold design, no hallmarks visible, interior clearly polished, fantastic, very early Arnold movement No. 146/447 with original balance wheel, original gold balance spring, Arnold chronometer escapement, diamond endstone, mainplate signed John Arnold & Son, London, enamel dial with early seconds hand, steel hands, very good condition, in working order, a very rare, early Arnold watch. The watch is listed in the ‘Staeger’ catalogue as being in its original condition and dated 1785. According to the description, the case originally bore a T.H. hallmark/engraving, which explains its current polished condition. 4.500 € - 12.500 €

292-4323 Pocket watch: a technically fascinating precision pocket watch with a repeater, Recordon/Emery, c. 1800 Ca. Ø54mm, approx. 129g, English 18K gold hallmarks, engine-turned, very early hunting case pocket watch design, dome with spring-loaded lid mechanism, very fine movement with cylinder escapement, temperature compensation and quarter-hour à-toc repeater, very well-preserved enamel dial, gold hands, in working order and in superb condition. The watch is signed ‘Recordon late Emery’, which is an extremely rare signature. Louis Recordon took over the business and stock from Josiah Emery in 1796. Emery was one of the most important English watchmakers of the 18th century. Louis Recordon was a business partner of Breguet. In terms of quality, this watch is certainly comparable to watches by Breguet! 7.000 € - 15.000 €

292-4324 Pocket watch: A Lange rarity, museum-quality, very early, heavy A. Lange Dresden gold hunting case pocket watch with key winding, in 1A condition, No. 2922 from ca. 1860, one of the earliest known Lange watches in 1A condition Ca. Ø54.5mm, ca. 138g, 18K gold, American savonnette case of the highest quality, matching the movement number, all three lids in gold, early 2/3 plate movement in 1A quality with diamond endstone and screw-mounted gold chatons, gold lever, gold escape wheel, mainplate signed ‘A. Lange Dresden No. 2922’, key-wound, original enamel dial in very good condition, also signed, blued steel hands, in a very fine state of preservation, a museum-quality rarity. According to our research, this is one of the three earliest Lange gold hunting case pocket watches of 1A quality known today. The watch is supplied with its box and extract from the archives. 5.000 € - 10.000 €

292-4325 Pocket watch: an lever chronometer by Charles E. Jacot, Chaux-de-Fonds, circa 1870, as good as new Ca. Ø55mm, ca. 167g, 18K gold, engine-turned, à-goutte, case and movement bear the same number 8410, case, movement and dial signed, lever chronometer movement with helical hairspring and early patented crown winding/hand setting mechanism, perfectly preserved enamel dial, extremely rare gold and steel hands, in working order and incredibly well preserved, a pocket chronometer of exceptional quality! The hammer price includes 19% German VAT! This means that the price will be reduced by 19% for buyers with a delivery address outside the EU. 6.000 € - 10.000 €

292-4326 Pocket watch: very fine BREGUET pocket chronometer No. 3442 with secret signature, ca. 1880 Ca. Ø50mm, ca. 95g, 18K gold à-goutte, dome signed Breguet No. 3442, lever escapement chronometer movement with wolf's toothing and gold gear wheels, original enamel dial in impeccable condition bearing Breguet’s secret signature with the number 3422, pink gold hands, in working order, slight dent on the edge of the case. 4.000 € - 6.000 €

292-4327 Pocket watch: heavy Longines Anker chronometer with St George case, 1903 Approx. 52.5 mm in diameter, ca. 126 g, 18K gold, serial number 853822, Longines anchor chronometer movement, enamel dial, gold hands, in working order and very well preserved 6.000 € - 8.000 €

292-4328 Pocket watch: large Patek Philippe ‘Gondolo’ chronometer, Geneva, ca. 1906 Approx. 56 mm in diameter, ca. 127 g, heavy, large 18-carat gold case, case, movement and dial signed, lever-escapement chronometer movement with gold wheels, fine-adjustment mechanism and chronometer balance wheel, enamelled dial, gold hands, in working order and well preserved. Patek Philippe produced the legendary ‘Gondolo’ chronometer calibre for the South American market. 5.000 € - 8.000 €

292-4329 Pocket watch: very fine, heavy Patek Philippe Observatory chronometer, 1st class ‘EXTRA’ quality, with an outstanding test result from the Geneva Observatory in 1901, PP No. 115412 Ca. Ø52.5mm, ca. 120g, 18K gold, à-goutte, case number 227486, movement number 115412, double signature: Patek Philippe Geneva and Ignaz Marenzeller, Imperial and Royal Court Purveyor to Vienna, exquisite chronometer movement with lever escapement and Guillaume balance wheel, exceptionally rare regulation mechanism with two regulator hands and swan’s neck, wolf's toothing, movement double-numbered 115412 as prescribed for observatory chronometers, original, signed enamel dial, blued steel hands, in very fine condition, in working order. This very fine pocket chronometer is supplied with a chronometer certificate and an extract from the chronometer database. According to these records, in 1901 this watch scored 216 points, placing 15th out of 101 tested 1st-class observatory pocket chronometers. A comparable chronometer was auctioned in Geneva in 2010 and fetched over 20,000 Swiss francs (source: https://www.cortrie.de/go/VDr). 5.000 € - 15.000 €

292-4331 Pocket watch: extremely rare Courvoisier ‘Double Face’ calendar watch, patent 1871, 18K gold Ca. Ø52.5mm, ca. 135g, extremely solid 18K gold case, glazed on both sides, precision lever movement No. 20233, enamel dials on both sides, full calendar, steel hands, in working order. These watches are very rare and, of the few that have survived, most are unsigned. Source(https://www.cortrie.de/go/ePm). Alfred Courvoisier Jonais of La Chaux-de-Fonds was granted US Patent No. 116316 on 27 June 1871 for his ‘improvements to double-sided watches’. The main advantage of Jonais’s system was that the calendar mechanism could be easily separated from the main movement – the calendar module could simply be ‘unclipped’ from the movement, allowing for easy inspection of both components and quicker access for repairs. 8.000 € - 12.000 €

292-4332 Pocket watch: significant chronometer with certificate, Geneva Watchmaking School, signed Francois LeCoultre Ca. Ø51mm, ca. 105g, 18K gold, No. 8684, Vacheron & Constantin Geneva movement, Anker chronometer with Geneva stripes and the Geneva Seal, signed François LeCoultre, enamel dial bearing the signature of the Geneva Watchmaking School, distinctive gold hands; in working order and very well preserved, with original certification papers (Bulletin de Genève) from 1942. A school watch bearing the signature of François LeCoultre is an absolute rarity and a historically significant collector’s item from the history of Swiss watchmaking. Such pieces are generally pocket watch masterpieces produced as part of a student’s training; they were crafted by François LeCoultre at the Geneva Watchmaking School under his direct supervision as a masterpiece or final project (hence ‘school watch’) and signed by him in his capacity as a professor. François LeCoultre (born 14 December 1883; died 25 January 1965 in Geneva) was an outstanding Swiss watchmaker who achieved fame primarily as a long-serving professor at the Geneva Watchmaking School (École d’Horlogerie de Genève) and as the author of the global standard reference work on complicated movements. 7.000 € - 15.000 €

292-4333 Pocket watch: Omega rarity, observatory chronometer “CHRONOMÈTRE GRADE VERY BEST” No. 5983708 with certificate and original box, manufactured in 1922 as part of a series of just 300 pieces! Ca. Ø59mm, ca. 145g, 14K gold, hunting case pocket watch, inscribed ‘CHRONOMETRE OMEGA’, observatory chronometer calibre 43.15S, the highest quality observatory chronometer produced by Omega, CHRONOMÈTRE GRADE VERY BEST with 23 jewels, screw-down gold chatons and fine adjustment, special winding mechanism requiring the crown to be pressed in to wind, original enamel dial, pink gold hands, original box, in very fine condition, in working order. The watch comes with an Omega certificate; it was sold to Finland on 18 May 1924. Originally, the watch was accompanied by a ‘Bulletin de Marche’ from the Bienne Observatory. These Omega chronometers are absolute rarities. Number 5983741 was auctioned in Geneva in 2007 and fetched over 20,000 Swiss francs! 6.000 € - 15.000 €

292-4334 Pocket watch: extremely rare Omega chronometer ‘Calibre DDR’ in an ornate case with original box, ca. 1906 Ca. Ø50 mm, approx. 133g, American ‘True-Hinge’ ornate case of exceptionally solid build quality, Omega chronometer movement ‘Grade DDR’ with 23 jewels, signed Louis Brandt & Frère, No. 2618611, original enamel dial, signed Brandt, steel hands, in working order, sensational, as good as new condition of the case, with original box. The term ‘Omega Grade DDR’ in the context of the Canadian railway refers to one of the most exclusive and precise pocket watches in the history of horology. The abbreviation ‘DDR’ does not stand for the German Democratic Republic, but denotes the highest quality grade of movements manufactured by Omega between 1905 and 1911. Due to their exceptional accuracy, these extremely rare chronometers were officially approved for service use by Canadian railway companies such as the Canadian Pacific Railway (CPR). Only 900 of these chronometers, which met the requirements for observatory chronometers, were produced. 7.500 € - 12.500 €

292-4335 Pocket watch: early and technically extremely rare chronometer, Robert et Courvoisier, circa 1790 Ca. Ø60mm, ca. 119g, 18K pink gold, serrated rim, glazed movement, extremely rare Lepine calibre with experimental rocker-type chronometer escapement and Diamat jewel, signed enamel dial, distinctive steel hands, movement intact and very beautifully preserved, an extremely rare watch! 9.000 € - 20.000 €

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