The captain's ship wheel clock measures 18"Dia. The size of the wheel is measured from the end of the handle to the end of the handle on the opposite side. It features a solid wood ship wheel with a beautiful brass porthole clock in the center. It will add a definite nautical touch to whatever room it is placed in 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.