Hamilton Watch Co GCT 4992B. Hamilton Watch Co GCT 4992B AN5740-1 24 HR Pocket Watch Military 22 Jewel - needs balance staff. Please do not tape the outside of the original box. Please see our other listings and find rare collectibles. International Buyers - Please Note.We do not mark merchandise values below value or mark items as gifts - US and International government regulations prohibit such behavior. The item "Hamilton 4992B 22 jewel GCT 24 HR Pocket Watch Military needs balance staff" is in sale since Tuesday, August 28, 2018. This item is in the category "Jewelry & Watches\Watches, Parts & Accessories\Pocket Watches\Antique". The seller is "invu20132013" and is located in Tokyo. This item can be shipped worldwide.