Here is a Hamilton 16 size, 21 Jewel, Lever set, open face 990 looking good. It has a single sunk porcelain dial with black AN, red 5 minute markers, blue spade hour and minute whip hands. It is signed in script Hamilton Watch Co. Look at the damaskeening on this ¾ Nickel movement, AMAZING!! It is marked in Gold lettering 21 Jewels, Adjusted 5 Positions, Hamilton Watch Co. Lancaster, Pa. It is mounted in a Star RGP SB&B case that looks GREAT!! SN 706304 Ca. 1906