Cartier Tank Americaine White Gold Diamond Ladies Watch WB7073L1. Quartz movement. 18K white gold case 19.0 x 35.0 mm. Octagonal crown set with original Cartier factory faceted diamond. . Scratch resistant sapphire crystal. Silvered grained dial with black Roman numeral hour markers and an inner minute track. Sword-shaped blued steel hands. 18K white gold bracelet with hidden butterfly clasp. Fits a 6" wrist.