800 silver 47mm pocket watch made for the U.S. Corp. of Engineers by Ulysee Nardin, circa 1918. Single sunk porcelain dial with Arabic numerals, minute ring and subsidiary constant seconds register with chip under the bezel at the 2, signed Ulysee Nardin Locle & Geneve. 800 silver hinged back case and curvette, case back marked Property of Corps of Engineers U.S.A. No. 7831, curvette marked Ulysee Nardin Le Locle et Geneve. Clean Ulysee Nardin jeweled Swiss movement in good working condition.