35 East Wacker, also known as the Jewelers' Building, is a 40-story 159 m (522 ft) historic building in the Loop community area of Chicago, Illinois, USA. It is located at the intersections of Wabash Avenue, and facing the Chicago River. It was built from 1925 to 1927. It was co-designed by Joachim G. Giaver and Frederick P. Dinkelberg.