Gusset watch in yellow gold (750). Lid with plain bottom. White enamelled dial, signed BERTHOUD Paris, black painted hour-markers, Roman numerals for the hours, dots for the minutes. Worn punches, including the goldsmith's mark: E.J. Mechanical movement, spiral, key-wound, unsigned, reported. Late 18th or early 19th century. Gross weight : 59.5 g. - Diameter : 44 mm. Scratches of use, wear and tear on the dial.