Chopard, a lady's white gold 'Imperiale' wristwatch

Chopard, a lady's white gold 'Imperiale' wristwatch, the circular white dial with polished dot indicators, Roman numeral at 12 o'clock and white metal hands, subsidiary dials at 3, 6 and 9 o'clock, in a white gold case with cabochon-set crown and chronograph buttons, automatic movement, on a navy blue leather strap and white gold clasp, dial, case and clasp signed Chopard, reference number 38/3157-23, case numbered 675420 4143, Swiss control marks, case width 3.2cm