Hamilton, a stainless steel military wristwatch, 1970's,

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Hamilton, a stainless steel military wristwatch, 1970's,
black dial signed Hamilton and with the broad arrow mark, Arabic numerals, luminous markers, luminous hands, sweep centre seconds, steel case with fixed lugs, the back inscribed 523-8290, W10-6645-99, 8574/73, 35mm.