Germany, Imperial. A Rare and Unit-Attributed Pocket Watch to a First World War Serviceman

(Taschenuhr). A rare and well-preserved pocket watch issued to a First World War serviceman, constructed of a large and heavy silvered non-ferrous metal casing, the obverse featuring a white face with an intact glass crystal, the former with black numerals 1-12 graded at intervals of five between edge digit, topped by additional numbers 13-24 for use as a 24-hour clock, with number and minutes hands and an additional 60 stopwatch, the reverse bearing a carefully-engraved unit dedication of “9’ INGENIØRKOMPAGNI”, topped by a functional ribbed wind-up dial, the reverse opening on a functional swivel hinge to reveal a hatch and exposed internal mechanisms, marked “SWISS MADE”, also retaining a white paper label bearing a handwritten inscription that the watch belonged to a First World War soldier who lived 1870-1940, measuring 70 mm in diameter, with minor scratching visible to the case and crystal but in apparent fully-functional condition, a rare large example in near extremely fine condition.