18kt yellow gold and stainless steel case and bracelet. Silver grained dial. Sword-shaped blued steel hands. Roman numerals hour markers. Chronograph functions. Perpetual calendar to the year 2100. 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 and Steel Chronograph Mens Watch W51004Q4 