Cartier Tank

Cartier, London. A very rare small sized 18ct gold manual wind rectangular bracelet watch Tank, Numbered 9712, London hallmarks to the case and clasp for 1972 Manual wind Cal K840 movement signed LeCoultre Co, cream painted dial with black Roman numerals, polished rectangular case with the back held by 4 screws (one lacking), fitted gold woven bracelet strap with 18ct gold deployant clasp with London 1972 hallmark, case, dial and movement signed 19mm diameter x 26mm