EARLY 20TH CENTURY GENTLEMAN'S HAMILTON CO. YELLOW GOLD-PLATED OPEN-FACE POCKET WATCH ON OVAL-LINK CHAIN. Watch has double-sunk white enamel dial with black enamel Arabic numerals; 19-jewel movement. 13" oval-link chain with 18K yellow gold spring-ring and 14K yellow gold swivel. Estimate $600-800