BERTHOUD in Paris. White and pink gold collar watch, the movement with cock, the bezel paved with small rose-cut diamonds (missing). The white enamelled dial with Roman numerals for the hours and Arabic numerals for the minutes. The back finely guilloche decorated with a leafy garland and centered with a medallion decorated with flowers enhanced with small rose-cut diamonds and green and red enamels (small missing parts). Late 18th century. Diameter: 3 cm - Gross weight: 21.8 g