Cartier, 18K gold 'Ballon Bleu' automatic calendar chronograph bracelet watch movement: 33-jewel automatic, column wheel chronograph, dial: guilloche engraved silvered, black Roman numeral hour markers, black inner minute divisions with 5 minute markers, secret signature at 7, date aperture at 9, subsidiary dials at 3 and 6 for seconds and 30 minute recording, blued steel pointed baton hands, centre chronograph hand. Case: brushed and polished round, exhibition back secured by 8 screws, inset cabochon set crown flanked by twin chronograph buttons, No.99429PV. Strap/Bracelet: fitted polished 18ct gold link, Buckle/Clasp: signed double folding clasp signed: case, dial & movement, accompanied by fitted maker's box, manual and original purchase receipt, size: 43 mm.