Title: Pair-case watch
Object type: Pair-case watch
Date: 1749
Artist: Watchmaker: Robert Sanderson 
Artist bio: a. 1695; cc. 1704–31
Artist role: Maker
Medium: Silver
Dimensions: Diameter: 2 1/4 in. (5.7 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