Original Vietnam War U.S. Air Force Hamilton AN5740 G.C.T. 24 Hour Navigator Pocket Watch Feed Block Assembly This example bears serial number

This example bears serial number OR 3490 on the barrel and stock

having been reconditioned at arsenal in the past

Later on 5 August

near the conclusion of the American Civil War

Original Vietnam War U.S. Air Force Hamilton AN5740 G.C.T. 24 Hour Navigator Pocket Watch Feed Block Assembly This example bears serial numberOriginal 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 example of the Hamilton U. S Air Force GCT Navigation watch type AN 5740, most likely made in 1968. 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 WWII. The three main