A HAMILTON LANCASTER PA U.S.A. "MODEL 22" DECK CHRONOMETER WATCH CIRCA 1942 fitted in original mahogany case, the matt finished case enclosing a champagne dial with Roman numerals, subsidiary power reserve and seconds dials fronting a Keyless manual wind chronometer movement, Model 22-21Jewels, Made in U.S.A signed Hamilton Watch Co., U.S. Navy-Bu.Ships-1942, numbered 2F8979, 7cm diameter