
Over the years, some of these clock faces have been used for advertisement purposes like the Duquesne Brewery Clock. These clock towers are lasting landmarks with some famous ones being Elizabeth tower (Big Ben) in London, Zytglogge tower in Switzerland, and Rajabai tower in India. Other than telling time, these clocks are national monuments.

This beautiful monument, considered one of the five most beautiful public clocks in the world, keeps in itself the history of a city that was once protected by its gates. This an emblematic 30-meter-high construction that rises between the Los Coches and La Paz squares. The clock advertised different brands until 2017. Cartagena colombia travel guide introduce you The Clock Tower.

Before being purchased by Duquesne Brewery Company in 1961, the clock was on the Hillside of Mount Washington and it displayed advertisements for various beverages. Franklin built it in Georgia and then shipped it to Pittsburgh. John Franklin designed the clock, and it is powered by a 1.25 horsepower Janett motor. The watch has a face with a diameter of 18 meters (60 feet) with a 7.6-meter (25 feet) hour hand and a 10.6-meter (35 feet) minute hand. The clock’s face has been used to advertise various brands over the years, including Coca-Cola. Located in Pittsburgh, Pennsylvania, the Duquesne Brewery Clock was the world’s biggest single-faced clock when it was built in 1933. Image credit: Aleksandar Todorovic/Shutterstock Central do Brasil Clock Central do Brasil Clock Tower, Rio de Janeiro, Brazil. It was built on 22.98 acres of land donated by the Navin Fluorine Company. About 25% of the clock’s area has a reinforced concrete slab where its machinery is fitted. As a floral clock, it is made up of plants and soil and has a diameter of about 24.25 meters (79.72 feet) with each of its hands weighing 1,763 pounds. The clock exceeds the next-biggest garden clock, in Switzerland, by about 2.2 meters (7.2 feet). Surat, India’s floral clock is the largest botanical clock and the third-largest clock face in the world. The mall had the largest leasable area in Europe from 2005 to 2011 and it is one of the largest malls in the world. Constructed in 2005, the digits of the clock are about 3 meters high (10 feet). The clock has a diameter of 32 meters (105 feet) and it was designed to beat the record set by the Floral clock in Tehran, Iran. The second-largest clock in the world is on the large glass roof of the Istanbul Cevahir Mall in Şişli district, Istanbul, Turkey.
