Wall clock - the universal clock, 400 mm, quartz clock, with numbers. Supplied = assembled. Housing colour = grey white RAL 9002. Dial face = with numbers. Shape = round. Housing material = powder coated aluminium. Clockwork = quartz. Diameter = 400 mm. Design of dial face = white. Fittings = incl. battery. Product type = wall clocks. The universal clock. Hand for seconds. Glass front. Aluminium housing powder coated in grey white RAL 9002. Clock face made of white plastic. Hand for seconds. Glass front. 400 mm. All clocks are supplied with a battery. Quartz clocks Ideal if you are located in an area with poor radio reception, or in a building with steel beams. Radio synchronised clocks may not function properly in these cases.