Cartier Tank Solo Large Steel Yellow Gold Steel Mens Watch. Quartz movement. 18k yellow gold rectangular case 34.8 x 27.4 mm. Stainless steel case back. Circular grained crown set with a blue spinel cabochon. Scratch resistant sapphire crystal. Silvered opaline dial with black Roman numeral hour markers and an inner minute track. Sword-shaped blue hands. Secret Cartier signature at VII. Black leather strap with a Cartier 18k yellow gold buckle. No warranty.