Double Edge 40 Cm Metal Wall Clock Open Back Skeleton Design For Living Room DecorProduct Overview From Home Symphony, the Double Edge 40 cm Metal Wall Clock is a bold, open back timepiece that instantly becomes a rooms focal point. Its skeleton design uses a metal frame and Roman numerals to create an architectural statement on any wall, from living rooms to corridors. The clock is powered by a standard AA battery (not included) and sits securely on a sturdy wall surfacethe rear mechanism is housed within the clock for easy access