This large water resistant wall clock is sealed front and back with rubber gaskets (rating IP65). The perspex shatter-proof lens complies with Australian food and safety regulations. The 400mm dial is surrounded by an off-white UV fade-resistant case. Used in food preparation and swimming pools, the silent mechanism is also ideal in examination settings, libraries and recording studios. The clock incorporates a reliable quartz movement with a battery life of up to 18 months. DIAMETER: 400 mm DEPTH: 55 mm WEIGHT: 1.7 kg BATTERY: 1 x AA (included)