Clock watch with astronomical dial and sundial

Jan Jansen Bockeltz

ca. 1605–10

Case: gilded brass; Dial: gilded brass, silver, and copper; Movement: gilded brass, partly blued steel, and silver

The Metropolitan Museum of Art

An ornate, oval, gilded brass pocket watch is open, revealing multiple dials and astronomical features. The interior lid displays a sundial with a triangular gnomon and celestial markings, while the main body contains a clock face with Roman numerals and a moon phase indicator.