Nice Hamilton AN-5740 4992b with US Army Air Corp carry case. The GCT stands for Greenwich Civil Time. It was changed to GMT or Greenwich Mean Time in 1952. The AN designation is for Army-Navy.
Manufacture date is 1950 for the Korean war period. Has spring mount inside to protect the watch while in the field or flying. The clear window allows the watch to be viewed while in it's protective enclosure. The watch is running and keeping excellent time. The case has some wear to the back where the military engraving is.Please examine the photos for condition details. The item "Hamilton GCT 22j WWII 4992B Military AN-5740 Army Pocket Watch Navigation Case" is in sale since Sunday, October 29, 2017. This item is in the category "Jewelry & Watches\Watches, Parts & Accessories\Pocket Watches\Antique". The seller is "theclockbrothers" and is located in Berne, New York. This item can be shipped to United States, Canada, United Kingdom, Germany, France, Australia, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, Thailand, Belgium, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Austria, Russian federation, Israel, Mexico, New Zealand, Singapore, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Chile, Colombia, Costa rica, Panama, Trinidad and tobago, Guatemala, Honduras, Jamaica, Antigua and barbuda, Aruba, Belize, Dominica, Grenada, Saint kitts and nevis, Saint lucia, Montserrat, Turks and caicos islands, Barbados, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Ecuador, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman islands, Liechtenstein, Sri lanka, Luxembourg, Monaco, Macao, Martinique, Maldives, Nicaragua, Oman, Pakistan, Paraguay, Reunion.