The Bluewater Quartz Clock has a 3.75" dial, a 5.5" base and is 2.88" deep. It exhibits precision quartz movement and weighs 10 oz. It features a precision molded high impact black styrene case with a hinged, glare resistant matte finished bezel and glass crystal. A knurled brass locking lug is solidly constructed, making movement and battery access a snap. The modern splash resistant case is not susceptable to corrosion and requires little maintenance. Special features include: splash resistant "O" ring seal; easy access hinged bezel; corrosion proof case; scratch resistant glass crystal; secure battery clip for open ocean security. It comes with complete instructions, mounting hardware, a fresh battery and a limited lifetime warranty.