Cartier: A late 1920's 18ct. gold Tonneau wristwatch, the engine-turned silvered dial with Roman numerals and blued steel moon hands, the back secured by four screws to the band signed European Watch & Clock Co.Inc., France, numbered 23448 060 31606 .560., numbered under the bezel 23448 (partly rubbed), the movement with cabouchon winder signed European Watch & Clock Co.Inc. with 19 jewels and eight adjustments and cut bimetallic balance, with brown leather strap and gold deployant clasp