The brass quartz porthole clock measures 13.25"Dia. including the wood base. The clock itself measures 11.5"Dia. The clock weighs 7 lbs. This item features a brass quartz clock in a solid brass tarnish proof porthole case. The two brass knobs on the tarnish proof brass porthole will turn to allow easy access to the components for adjustment. 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.