Pocket watch with calendar dial

Object Number: 
INV.12417
Date: 
1850-1900
Medium: 
Steel, glass, enamel, bronze, copper.
Dimensions: 
Overall: 3 x 1/2 x 2 1/8 in. ( 7.6 x 1.3 x 5.4 cm )
Marks: 
engraving: on inside of back casing: "SWISS/ 2/ ACIER GARANTI/ 28399" engraving: on movement: "AVANCE/ RETARD"
Description: 
Steel pocket watch with calendar dial; smooth steel casing with glass face; white enamel dial with roman numeral hours and arabic numeral minutes; hour hand; minute hand broken; four secondary apertures on axes; second aperture with second markings and hand as well as sun and moon window; day of the week aperture; date aperture; month aperture; each with hands.
Due to ongoing research, information about this object is subject to change.
Creative: Tronvig Group