18K yellow gold and steel, steel case, 18K yellow gold bezel, steel octagonal crown set with a faceted synthetic spinel, sapphire crystal, silvered opaline dial, Roman numerals, sword-shaped blued-steel hands, steel bracelet with 18K yellow gold screws, mechanical movement with self-winding, Cartier caliber 049, water-resistant to 30 meters / 100 feet. Case dimensions: 45.54 mm x 34.87 mm, 8.67 mm thickness.