18kt yellow gold case. 18kt yellow gold octagonal crown set with a faceted sapphire. Chronograph features. Silvered opaline dial. Roman numeral hour markers. Luminescent sword-shaped black oxidized steel hands. Brown alligator strap with 18kt yellow gold adjustable deployant buckle. Mechanical movement with automatic winding. Water resistant at 100 meters (330 feet). Cartier Santos 100 18kt Yellow Gold XL Chronograph Mens Watch W20096Y1 