Good keyless watch by this most important maker, with Patent balance, circa 1925.
Slim openface nickel case. Nickel barred movement jewelled to the 3rd, also numbered 4292 under the balance. Club-tooth, double-roller detached lever escapement. Elinvar balance-spring, uncut monometallic balance with Ditisheim’s Patent compensation within the rim of the balance. Signed enamel dial with red 24-hr markings, blued-steel hands. 49 mm diameter.
Paul Ditisheim, Solvil, 34 & 35 High Holborn, London, English PATENTS No 256,620 and 256,953, August 1925. See David Torren’s excellent obituary of Paul Ditishem, the most important watchmaker of his day, published in the Horological Journal December 1945. This is one of two types of balance found in these watches, the other has an attached affix, as opposed to being mounted within the rim - see the book on Ditisheim by Osterhausen, pages 68-9.
NB: The CHRONOMETRO INGOLD name would appear to be used to market these watches in South America, and is presumably a tribute to the pioneering work of Pierre Frederick Ingold, one of the greatest Swiss watchmakers of the 19th century - one great watchmaker referring to another.
Some lights dents to rear cover and the usual cracks in the dial at one of the dial feet, near the figure X, and general signs of use. Otherwise a good slim and inexpensive Ditisheim watch: Ditisheim watches came first in the Kew/NPL Trials in 1903, 1912, 1913, 1914, 1915, 1918, 1920 and 1924. Serviced and guaranteed.
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