Elegant and substantial, the Clipper Clock & Barometer combines precision German movements and handsome presentation. This magnificent expression of functionality and elegance makes a superb gift for the sailor or boating enthusiast in your life. It"s also a terrific desk accessory. Housed in a forged brass case that swivel horizontally and vertically in the matching brass gimbal base, this dual-purpose tool includes both clock and barometer faces. For adjustment purposes, they can be easily accessed using a screw bezel. The clock"s movements are powered by the included AA battery, and the aneroid barometer has been calibrated for altitudes up to 3,500 feet above sea level. About Weems & Plath Founded in 1928, Weems & Plath is a company steeped in the rich tradition of navigation. They offer a wide spectrum of precision instruments ranging from brass nautical clocks and barometers to binoculars and children"s books. The company"s dedication to providing the highest quality possible is evident in every step of the building process. From development to production, Weems & Plath strives to be meticulous and offer exceptional service. The rich history and high standards of Weems & Plath will carry on into the future. * Dimensions: 7.75H x 7W x 7D inches * Matching forged brass swivel case and gimbal * Quartz clock operates using one AA battery * Barometer calibrated for altitudes up to 3,500 feet