Quality wood case with brass inlaid appointments! Floating disc style movement. The large 2 inch diameter disc is labeled with a large arrow pointing North, and the traditional E, S, W, for the other directions. Marked 0 to 360 degrees in 1 degree increments! Glass lens. The whole thing is 2½ by 2½ inches square and 1 inch thick. Works great, general patina, minor oxidization spots on one side of the brass, otherwise, Excellent Condition Quality item.  We pack it securely and mail it to you First Class U.S. Postal.