This is a brass porthole-style quartz clock mounted on a wooden base. The clock face features colorful international maritime signal flags in place of traditional numbers. It is designed in the style of a ship's porthole, complete with dog-ear clamps. The construction includes. The wooden base of the clock is 9 3/4 inches in diameter and the face of the clock is 7 inches in diameter. solid brass housing with a protective lacquer coating to prevent tarnishing. It operates using a quartz movement and requires one AA battery. Used good condition. Works great. Enhance your home with this nautical-themed wall clock. Featuring a brass frame and wooden accents, this clock adds a touch of maritime charm to any room. The navy blue face is adorned with colorful nautical flags, making it a unique decor piece.