An 18ct. white gold and diamond automatic "Tank Americaine" wristwatch, by Cartier

An 18ct. white gold and diamond automatic "Tank Americaine" wristwatch, by Cartier<BR> The chequerboard effect dial composed of alternate eight-cut diamonds and maker's motifs, in rectangular case with inverted brilliant-cut diamond winding crown, the case back secured by four screws, to maker's fabric and leather straps and 18ct. white gold deployant clasp, <I>case dimensions 41.5 x 22.5 mm., convention marks, maker's box</I><BR> Case and clasp signed Cartier, case No. 2490 606354MG <BR>