Hamilton 4992B USAF Navigational watch -- Cold war era aviation 2 year warranty

2 year warranty

USB CHARGING: Dual fast charging

The proven

It was intended to be set to Greenwich Civil Time (GCT) as a reference timezone

Hamilton 4992B USAF Navigational watch -- Cold war era aviation 2 year warrantyHamilton, 4992B, United States Air Force Navigational Master Watch GCT, 22 jewels, adjusted six positions. 16 size, Elivar extra hairspring. Circa 1958. Made in Lancaster, Pennsylvania, USA. Hack setting (stem pulls out to stop second hand). Military nomenclature on back. In this particular example, the dial and movement are excellent. The case is in very good condition with a very slight spot of nickel silver showing through on the center of the back