The markings on the rear cover read Bureau of Ships, US Navy Comparing Watch, N. There is an inner dust cover underneath the screw back case and the nickel finish movement which features a hacking function has not been serviced but was wound and set and kept good time over a 24 hour period. The item "Hamilton Bureau of Ships 16s US Navy Comparing Pocketwatch Grade 2974B" is in sale since Wednesday, November 18, 2020. This item is in the category "Jewelry & Watches\Watches, Parts & Accessories\Watches\Pocket Watches".
The seller is "vintage_hamilton" and is located in Santa Ana, California. This item can be shipped worldwide.