This listing is for a Vintage Jefferson Suspense Clock. VINTAGE 1960’S JEFFERSON SUSPENSE CLOCK MODEL 580-191 RUNS KEEPS TIME A GREAT ART DECO DISPLAY CLOCK FOR WINDOW OR STORE. A VERY BIG CLOCK MAYBE FOR A STORE WINDOW OR BANK OR SOME PLACE TO ATTRACT TRADE STIMULATION OR A TRADE STIMULATOR. THERE IS AN INTERNAL FRACTURE IN THE EDGE OF THE UNBREAKABLE LUCITE DISC THE CHAIN RIDES ON– SEE PHOTOGRAPHS, THIS DOES NOT AFFECT TIME…