Alex's wrist watch comes off and is clearly seen on the floor when he is thrown down at beginning of stair case fight scene, but is back on wrist in the middle of the scene and at the end when he comes back, retrieves his pistol and goes looking for Youngstown.
After the shooting on the dock, Alex wipes at the blood on his neck. It doesn't come off but he buttons his shirt collar. Later there is no blood on his neck.
One hour into the movie, an article in the newspaper is shown with the headline "Reknowned physician retires".The word "renowned" was misspelled.