Hamilton "917" Open-face Seconds Setting Model Watch

Hamilton "917" Open-face Seconds Setting Model Watch, X46513, arabic numeral sunk seconds dial with blued-steel hands and marked "Hamilton," damascened plates marked "Hamilton/U.S.A./917 17 Jewels Adjusted 3 Positions," in a base metal Keystone case engraved on back "U.S. Navy B.U.NAV 939 Second Setting Serial No. Sample," two factory tags read in part: "Sample (style 917) Bids open May 11, 1939 10 AM E.S.T."