Yellow gold (750) collar watch. White enameled dial with hour markers, Roman numerals for the hours, Arabic numerals and painted dashes for the minutes, painted in black. Mechanical movement with two-key winding. Copper dust cover numbered 16980. Yellow gold (750) caseband with guilloché decoration and MM monogram at center, numbered 16980. Horsehead hallmark. Gross weight: 24.6 g. - Case diameter: 30 mm. Shocks and dents, cracks and oxidation on dial. ATTACHED A gilt-metal winding key.