my dad was given this lighter from a friend over 10 years ago and gave it to me a couple of years ago it has what looks like a rolex date watch or a omega watch on both sides (not branded just looks like one) it has a hallmark Ok with a fancy line under it and in the inside of the lid is marked 18 it is a butane lighter and works great and info on it or a vaule would be great i have dont tons of reasearch with no result thank you!