Here is a very hard to find Ball Hamilton 16 size, 23 jewel, lever set, 998E that is looking FANTASTIC!!! It has a PERFECT single sunk porcelain dial with black Arabic numbers. Black five minute markers, and is signed in black letters “ Ball Official RR Standard, Cleveland”. It has a BEAUTIFUL ¾ nickel movement with circular damaskeen and is signed in black lettering “ 23 Jewels, Motor Barrel, Adjusted 5 Positions, Trade Mark Official Standard, Ball Watch Co. Cleveland, Ohio. It is marked ELINVAR under the balance wheel. It comes mounted in a Triple Hinged Ball Model C.W.C. Co. Stirrup Bow Case that is looking good!!! It is marked Ball Watch Co. Cleveland on the dust cover. You won’t want to pass this one by. SN B652197 Ca. 1941.