An 18ct. gold "Tank Americaine" wristwatch, by Cartier

An 18ct. gold "Tank Americaine" wristwatch, by Cartier
The rectangular dial with Roman numerals to a plain polished case the back secured by eight screws, to an integeral fancy brick-link bracelet with double deployant clasp, convention marks, case dimensions 34mm. x 19mm., in maker's case
Dial, case and clasp signed Cartier, case No. 205880CD