Carrying Case for Master Navigational GCT Watch AN-5740 North American Aviation evidence of a year of

evidence of a year of manufacturing of 1943

The clock mechanism does not appear to run its full setting

The quadrant has 3 levers

This example has the pneumatic connection attached

(see description of this system and its components in the photo gallery)

Carrying Case for Master Navigational GCT Watch AN-5740 North American Aviation evidence of a year ofThis is an authentic WWII era Carrying Case made specifically to protect the Master Navigational GCT Watch used by navigators of aircraft such as bombers and transports of the US Army Air Corps and US Army Air Force. (Watch is not included). The primary purpose of the Carrying Case was to protect the Master Navigational GCT (Greenwich Civil Time) Watch, whose accuracy was critical during aircraft navigation. The case opens by gently lifting the