Two Ball Watch Co. "Official Standard" Open-face Watches, each with arabic numeral porcelain dial with running seconds, one with swing-out, stem-wind, lever-set, 21-jewel movement no. B653568, the other a screw-back, stem-wind, lever-set, 21-jewel movement, both in gold-filled case, dia. 52 mm. Estimate $400-600 Items may have wear and tear, imperfections, or the effects of aging. Any condition statement given, as a courtesy to a client, is only an opinion and should not be treated as a statement of fact. Skinner shall have no responsibility for any error or omission.