Nice 17 inch polished aluminum nautical decor porthole that has been cleaned, polished, and made into a nautical mirror.  The mount ring measures 17 inches. The glass measures 11 3/4 inches. Both of the closure dogs spin on and off with no problems. Weighs about 12 pounds.

The back side of the frame is smooth. When mounted to the wall, this porthole will extend out a total of about 4 1/4 inches. This is an authentic porthole that was removed from a working vessel. You can expect some minor wear to the surfaces of the frame.