16 size Hamilton Watch Co. 21 Jewel Hamilton Railway Special 992B in a Tu-Tone open face bar over crown case. The serial number is C177793. Enamel double sunk dial is marked Hamilton Railway Special and is in Excellent condition. I see no chips or cracks. Has steel blue hands are in excellent condition. The 2-tone BOC Wadsworth case looks great. Gold plated body and base metal covers.