Title: Pair-case watch
Object type: Pair-case watch
Date: 1682–83
Artist: Watchmaker: Thomas Tompion 
Artist bio: British, 1639–1713
Artist nationality: British
Artist role: Maker
Medium: Outer case: leather with gold studs; inner case and dial: gold with blued-steel hands; movement: gilded brass, partly blued steel, silver
Dimensions: Diameter (outer case): 2 1/16 in. (5.2 cm)
Diameter (inner case): 1 3/4 in. (4.4 cm)
Diameter (back plate): 1 7/16 in. (3.7 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