Title: Watch
Object type: Watch
Date: 18th century
Artist: Watchmaker: Ferdinand Berthoud 
Artist bio: French, 1727–1807
Artist nationality: French
Artist role: Maker
Medium: Gold, rose diamonds, enamel
Dimensions: Diameter: 1 1/2 in. (3.8 cm)
Classification: Horology
Credit line: Bequest of Malvina Heller Sontowski, 1921
Department: European Sculpture and Decorative Arts
Repository: Metropolitan Museum of Art, New York, NY