It used to be the largest, but it was surpassed by the clock on the Istanbul Cevahir shopping mall in 2005, which in turn was surpassed by the almost comically enormous Mecca Clock in 2011. But the Duquesne Brewery clock is still the largest clock face in the Western Hemisphere, and it is the South Side’s most visible landmark, easily readable from across the river. Since the brewery stopped brewing, it has carried various advertisements; but for the moment it carries no message, except for the time, which is still correct.