There is no key and it has not been wound although the clock works appears to be in great condition. It measures approx 7.5" in diameter and 4" deep.
The item "Vtg 1950's USS Sailfish SSR-572 Brass Ships Clock USN Navy Submarine Korean War" is in sale since Tuesday, December 05, 2017. This item is in the category "Collectibles\Militaria\Korea (1950-53)\Original Period Items". The seller is "forasong123" and is located in Longmeadow, Massachusetts. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, Sweden, South Korea, Indonesia, Taiwan, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Russian federation, Israel, Mexico, New Zealand, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Chile, Colombia, Costa rica, Panama, Trinidad and tobago, Guatemala, Honduras, Jamaica.