Antique American Oak regulator clock. Wall clocks, "Master Wall Clock" Antique Standard electric master wall clock in original oak case and condition. This wall regulator clock Runs fine. High quality Electric wall clocks in excellent original condition like this one hung in the board room or foyer of important factories of the day. This oak master wall clock ran all the time clocks in what ever factory or large business it was in. Big oak regulator clocks like this one are very rare and hard to find. C1900-30 Measures 67" high 20inches long, 8" deep. Heavy brass pendulum. You never have to wind this clock! even though the brass movement is exactly the same as other key wind regulators.