Original WWII USAAF 1942 Hamilton AN5740 G.C.T Navigator Pocket Watch with Carrying Case Category_Flintlock Pistols The Masks In This Group:-

The Masks In This Group:- M3A1 Diaphragm Gas Mask with MIXA2 Filter and MIVA1 Gas Mask Bag

with rich vibrant colors

so it is probably from early 1864

towards the tip

It is clearly marked with the original model and serial number on the left side of the receiver:

Original WWII USAAF 1942 Hamilton AN5740 G.C.T Navigator Pocket Watch with Carrying Case Category_Flintlock Pistols The Masks In This Group:-Original 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 with steel carry case. This is a FULLY FUNCTIONING beautiful 1940 produced example of the Hamilton U. S Army Air Force GCT Navigation watch type AN 5740. 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