The nine-story tower is 66.90 meters tall (62.59 m without the ornament on top, 51.65 m at the observation deck), and was the city's tallest structure when it was built. The elevation at ground level is 35 meters above sea-level. The tower has an external diameter of 16.45 meters at the base, an 8.95 meters diameter inside, and walls that are 3.75 meters thick. There is a restaurant and café on its upper floors which commands a magnificent view of Istanbul and the Bosphorus. Also located on the upper floors is a nightclub which hosts a Turkish show. There are two operating elevators that carry visitors from the lower level to the upper levels.