AN 18K GOLD AND DIAMOND-SET 'IMPERIALE' CHRONOGRAPH WRISTWATCH, BY CHOPARD25-jewel Cal. 1137 quartz movement, diamond-set dial with black sword hands, subsidiary dials for continuous seconds, 30 minute and 12-hour registers, the circular case with bezel set with circular-cut black diamonds, the bar lugs capped with inversed circular-cut diamonds and set within triple row of circular-cut diamonds, concealed double folding clasp, dial, bracelet and case signed Chopard, mov. no. 28420**, case width (including crown): XX