Chelsea is the oldest clock manufacturer in America and is regarded as the world’s premier clock. These hand-assembled clocks are prized possessions of heads of state and royalty worldwide. Every U.S. President in the 20th century has owned a Chelsea Clock. The Ship Strike book-ends feature a solid brass clock and barometer on a mahogany base. Clocks in Chelsea's premier Ship's Bell Collection feature 365 gold-plated moving parts and are numbered and registered.