This wall clock is made from a vintage Pinball Gambling electromechanical machine. Made from a stepper unit inside a Pinball machine. Stepper units act as counters in electromechanical pinball machines as well as most other coin operated machines from that era of gaming. Before printed circuitry, games had to rely on a series of on/off switches. This stepper unit was most likely used to count up bonus or move the scoring.