An Art Deco Platinum, 18 Karat Yellow Gold and Diamond Wristwatch, Cartier, France, 21.25 x 21.25 mm case dimensions exclusive of integrated lugs, white dial signed CARTIER, Roman numerals, blued steel feuille hands, the bezel and integrated lugs containing numerous rose and round single cut diamonds, square platinum case, rose gold case back affixed with four screws, manual wind mechanical movement signed European Watch Co., black grosgrain strap, platinum topped rose gold deployment clasp containing numerous rose cut diamonds.Case back stamp: 3880 (French assay marks).Clasp stamp: (partially indistinct) _8 (French assay marks). 19.10 dwts.