DUNHILL. A 9K YELLOW GOLD BRIDGE-TOP LIGHTER WATCH. Reference: U.S. Patent 1022140/English Patent 143752.  Date: 1930's. Movement: Signed, mechanical hand wound. Dial: Champagne. Case: All 9K gold case components, engine turned finish, matching component case number '835. Signed: Dial, movement, case back, lighter base, lighter bridge.