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Auctioneers Dr. Crott 90th Auction

93 Paul Ditisheim, Solvil, Genève, Grand Prix Paris 1900, Movement No. 703454, Case No. 703454, 66 mm, 279 g, circa 1928 An important, large and heavy deck watch with 52h power reserve indicator, produced for the “Bundeswehr” No. 6645-12-145-4672, with mahogany box and mahogany transport case Case: sterling silver, polished, signed dome, screw back with military engravings, reeded band. Dial: silvered, radial Roman numerals, auxiliary seconds, 52h power reserve indicator, blued spade hands. Movm.: 4/5 plate movement, chatoned, frosted, gilt, movement type I, 9 adj., 21 jewels, large Guillaume screw compensation balance, sapphire endstone on balance, lever and escape wheel. Movement caliber type I This type of movement with its caliber designed for stability and highest precision seems to be the one Ditisheim entered in most of the many competitions they took part in (categories ships’ chronometers and pocket chronometers 1st class, according to the Neuchâtel observatory compe- tition terms). So far 10 watches with this caliber are known. Five of them have 6-digit movement numbers. The numbers 701291 and 703266 reached positionings in Neuchâtel in 1924 and 1925, in the ships’ chronometers category. The watches with the movement numbers 703393 (with 24-hour dial), 703446, 703450 and 703454 bear the additional signature “Solvil”, showing that they were made after 1925 when Ditisheim had already handed over company management. Described and illustrated in detail in: “Paul Ditisheim Chronometrier” by Fritz von Osterhausen, Editions Antonine Simonin 2003, pages 60pp. Paul Ditisheim (1868-1945) He was one of the most famous Swiss maker of watches and chronometers, who did most of his research and his publications in the field of precision timekeeping. He did his apprenticeship at the watchmaking school in La Chaux- de-Fonds, before working in Ponts-de-Martel, Berlin, Paris, and Rotherham (near Coventry). In 1892 he opened up a watchmaking factory in La Chaux-de-Fonds. He presented his watches in many exhibitions and was very sucessful in designing pocket chronometers. Rocket Artillery Battalions A Rocket Artillery Battalion was attached to each of the 14 artillery regiments of the 14 army divisions. This clock was used by the 350th Rocket Artillery Battalion based in Montabaur. Paul Ditisheim, Solvil 日內瓦, Grand Prix 巴黎 1900 — 意義深遠,厚實的大錶徑觀測時計,52小時動力儲 存,德國軍部第6645-12-145-4672號專用,附桃花心 木內外盒 39176 C: 2, 10 D: 2 M: 2, 41, 51 15.000 - 20.000 EUR 18.800 - 25.000 USD 150.000 - 200.000 HKD

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