A metal cased military chronograph wristwatch, circa 1940,

细节
A metal cased military chronograph wristwatch, circa 1940,
black dial with arabic numerals, subsidiary seconds and minute recording dials, signed Hanhart, 17-jewel nickel movement numbered 116685, case with milled rotating bezel, back of case numbered 116685, chronograph buttons in the band, diameter 40mm.
see back cover illustration.