Original WWII U.S. Army Air Forces Hamilton AN5740 G.C.T. 24 Hour Navigator Pocket Watch Gun Parts One of the three liner

One of the three liner pads is missing

The compass also has a magnifying lens for precise angle calculation (for target engagement)

and now the steel is visible in areas

Throughout the Gettysburg Campaign

Original WWII U.S. Army Air Forces Hamilton AN5740 G.C.T. 24 Hour Navigator Pocket Watch Gun Parts One of the three linerOriginal Items: Only One Set Available. As used by navigators on B 17 Flying Fortress and B 24 Liberator this is a FULLY FUNCTIONING Hamilton AN5740 pocket watch. This is a very good condition example of the Hamilton U. S Army Air Force GCT Navigation watch type AN 5740, most likely made in 1943 or 1944. The "GCT" or AN 5740 AN 5740 1 pocket watches were used for navigation purposes by all the branches of the US. Military prior to, during, and after