Germany, Luftstreitskräfte. A First War Flieger's Pocket Watch

(Luftstreitskräfte Taschenuhr). A First War period pilot’s pocket watch, constructed of non-magnetic steel, with a white face marked with Arabic numerals 1-12 notched at five second intervals, with additional 24-hour numerals in red and small face with 60 second differential, within richly-detailed frame, reverse with raised depiction of a monoplace, reverse plate opens with engraved inscription “DEPOSE ARGENTAN” along with maker’s logo, on loop for suspension with wind-up dial, measuring 50 mm in diameter, non-functional, in otherwise very fine condition.