Description
Two Ball Watch Co. "Official Standard" Open-face Watches: Two Ball Watch Co. "Official Standard" Open-face Watches, arabic numeral dials with sunk seconds, blued-steel hands, and marked "Trade Mark/Official Standard/Ball Watch Co. Cleveland, " 21-jewel, damascened, stem-wind, lever-set movements, gold-filled screw-back and bezel cases, no. B256776 and B267536, dia....