18kt yellow gold case. Brown alligator strap. Silver grained dial. Roman numeral hour markers. Sword-shaped blued steel hands. Chronograph functions. Scratch resistant sapphire crystal. 18kt yellow gold octagonal crown set with faceted sapphire. Quartz movement. Water resistant at 30 meters (100 feet). Cartier Tank Francaise 18kt Yellow Gold Chronograph Mens Watch W5000556 