The iron porthole clock measures 12"H x 14"Dia. x 9"Dia(Face). The two knobs on the porthole will turn, allowing you to open the clock for cleaning or adjustment. It will add a definite nautical touch to wherever it is placed and is a must have for those who appreciate high quality nautical decor. It makes a great gift, impressive decoration & will be admired by all those who love the sea.