Cartier Tank Anglaise Silver Dial 18kt Yellow Gold Ladies Watch W5310030. 18kt yellow gold case with a brown alligator leather strap. Fixed 18kt yellow gold bezel. Silver dial with blue hands and Roman numeral hour markers. Minute markers around an inner ring. Automatic movement. Scratch resistant sapphire crystal. Pull / push crown. Solid case back. Case dimensions: 39.2 mm x 29.8 mm. Case thickness: 9.5 mm. Rectangle case shape. Band width: 20.3 mm. Band length: 8 inches. Tang clasp. Water resistant at 30 meters / 100 feet. Functions: date, hour, minute, second.