Bjerg Instruments Modern 12" Steel Enclosure Silent Wall Clock with Non Ticking Movement (Red) Large 12" Diameter Display. Easy to see from a distance and read the time. Silent, Non Ticking Second Hand that Sweeps. You don't have to listen to loud ticking in a silent room. Modern Design. Simple and elegant and looks great on the wall of your home, classroom, patio, dining room, kitchen or office. Uses 1 AA standard alkaline battery. Battery Included. Looks Terrific. Buy this clock for yourself today.