One Air Force veteran literally collapsed when he learned how much the $345 watch he bought from a base exchange in 1974 is worth now. The veteran, called "David" on the show, was stationed in Thailand during the Vietnam War. He enlisted in the Air Force rather than be drafted for the Army, because his draft number was 7, and became an explosives ordnance disposal airman. It's a good thing David was in the bomb squad, because "Antiques Roadshow" appraiser Peter Planes had a bomb to drop on the veteran: His watch's current value is upward of $700,000. Read more on Military.com.