Watch with a portrait of Nicholas I, czar of Russia (r. 1825–55)
Firm of Perret & Cie · probably ca. 1850–55

Case of gold and enamel; jeweled movement with temperature-compensated balance and Swiss lever escapement
Firm of Perret & Cie · probably ca. 1850–55

Case of gold and enamel; jeweled movement with temperature-compensated balance and Swiss lever escapement