Title: Watch
Object type: Watch
Date: ca. 1650–60
Artist: Watchmaker: probably Jean Rousseau the Younger 
Artist bio: Swiss, 1606–1684
Artist nationality: Swiss
Artist role: Maker
Medium: Case: rock crystal mounted in gilded brass; Dial: silver and black enamel with gilded-brass hand; Movement: gilded brass and partly blued steel
Dimensions: Diameter (case): 1 5/8 in. (4.1 cm); Diameter (back plate): 1 5/16 in. (3.3 cm)
Classification: Horology
Credit line: Gift of J. Pierpont Morgan, 1917
Department: European Sculpture and Decorative Arts
Repository: Metropolitan Museum of Art, New York, NY