Cartier Tank a Vis Privee CPCP Collection Yellow Gold Mens Watch W1529451 Box Papers. Manual winding movement. 18k yellow gold case 27.0 x 30.0 mm. Octagonal crown set with faceted blue sapphire. . Scratch resistant sapphire crystal. Silvered guilloche dial with black Roman numerals. Sword-shaped blued steel hands. Secret Cartier signature at VII. Black leather strap with Cartier 18k yellow gold deployant clasp.