18k rose gold case with a brown alligator strap. 18k rose gold bezel. Silver guilloche dial with Roman numeral hour markers. Minute markers around the inner ring. Date display at the 9 o'clock position. Automatic movement. Scratch resistant sapphire crystal. 18k rose gold fluted crown with blue cabochon sapphire crown. Transparent exhibition display back case back. Case diameter: 50 mm. Case thickness: 15 mm. 18k rose gold double adjustable deployment clasp. Water resistant at 30 meters (100 feet). Functions: hours, minutes, small seconds at 6, chronograph, date. Cartier Ballon Bleu de Cartier Extra Large Watch W6920009.