After the completion of the structure of the clock tower of the Al-Abbas's (p) holy shrine, the installation of the clock bagan on all four sides under the supervision of a delegate of the manufacturing German company "Perrot" according to the contract signed with them.
It was taken into account in the clock of the tower many technical details, since it is equipped with GPS system in addition to the lighting and the audio system provided with four speakers, a special lighting for the moving hands and the numbers, and a binary engine made of steel iron. The two moving hands are inlaid with gold at the edges. In addition to other details and specifications related to the accuracy of time. In terms of design, it is similar to the old clock to create a state of link between the past and present.
The clock tower has been rehabilitated and was covered with the streaky Kashi Karbala'i and gold tiles, with modern touches to give it a design that joins the heritage to modernity.
It is to mention that the current clock in the tower at the entrance of the gate of Qibla of the Master Aba Al-Fadl Al-Abbas (peace be upon him) is an ancient heritage clock, dating to the year 1890, its fate has been linked to the fate of the Al-Abbas's (p) holy shrine when it was exposed to shelling in the Ottoman Empire time. It was also subjected to vandalism during the blessed Sha'ban Intifada in the year 1991, and the clock was damaged, many manintenance work have been conducted but it did not function like before.