Cylindrical metal case topped with bell. Small alarm clock counter at 12 o'clock. Center painting depicting a man working out with mechanical automaton. Hand-wound mechanical movement.  I see no makers mark or country of manufacture.  The clock winds and has movement.  When wound the gymnast looks to be doing pull ups.  Light denting and wear to outer case as pictured. The front face is 4 inches in diameter.  The clock stands 7 inches tall