Seth Thomas Clock Co., Thomaston, Conn., "Mark 1" Deck Clock, U.S. Navy 1156, heavy hinged nickel-plated brass case, black 5" dial dated 1939, 8 day time only jeweled movement.

Seth Thomas Clock Co., Thomaston, Conn., "Mark 1" Deck Clock, U.S. Navy 1156, heavy hinged nickel-plated brass case, black 5" dial dated 1939, 8 day time only jeweled movement. the case retains a bright finish, and the dial's orange numbers have faded a bit. The crystal is convex plastic, not original. The luminous on the hands is worn. The movement ticks briskly but was not tested long term. Overall diameter 8.25"