Very nice old piece. This piece does wind up and does tick. That is really all I know about this piece. I am not a clock expert and I only know just the basics about clocks. I don’t test much else just because I don’t want to damage it in anyway. All I did was wind it up some and then flick the pendulum to see if it works. That is all. Sorry for the lack of information. Needs cleaned and polished. Comes with scuffs, scratches and surface wear. Please see pictures and you be the judge on details and conditions. Thanks.