This Cartier Tank Américaine W2603356 features a 27mm 18k white‑gold rectangular case paired with a blue alligator leather strap and tang buckle. The silver dial showcases Roman numerals and blued-steel sword hands, framed by a fixed white‑gold bezel. Powered by a quartz movement, it offers precise and reliable timekeeping. Completing this elegant timepiece is a sapphire crystal and a white‑gold crown set with a blue sapphire cabochon.