Steel, plated. Bottom marked "Cartier Plaqué Argent 20 M Swiss", numb. 91180098. Quartz. White dial with blue arab. numerals and blue hands, concealed in the base and visible from the front view through cristall prism. 2 sides glazing case, decorated with panels in lapuslazuli design. H. 10 cm, 9 x 8 cm.