Hamilton Watch Co., United States. Four Hamilton open face watches including: One open face Hamilton Railway Special 992 B with white dial with Arabic numeral hour and second markers, sub-seconds dial at the six o'clock position. Serial number C27218. Reeded 10k yellow gold filled case, marked at the inner case back Hamilton Watch Co. 10k gold filled Lancaster PA K034730. One open face pocket watch with white dial with Arabic numeral and sub-seconds dial at the six o'clock position. Serial number 1417312. Gold filled or plated case with star border, stripped back and empty cartouche, back case inner back case marked Venus I.W.C.Co 6429968. One open face pocket watch with white dial with Arabic numeral and sub-seconds dial at the six o'clock position. Serial number 1210932. Gold filled case with engraved details, marked Deuber warranted 20 years 9854515. One open face pocket watch with white dial with Arabic numeral and sub-seconds dial at the six o'clock position. Serial number 1582386. Gold filled case, plain, marked B&B Royal 20 years 6369956. Diameter ranges from 48.72 mm to 54.45 mm. Gross weight: 393.7 g.