Our Wheelhouse Range of clocks and barometers with ship wheel surrounds, have hefty solid cast brass casings, brass hands with black subsidiary indicators on light cream faces. The movements are very good quality - battery-operated quartz for the clocks and silvered aneroid for the barometers. Clocks have bold Roman numerals and use one AA battery. Barometers have stainless steel aneroid movements showing millibars and inches of mercury. Overall diameter is 8.5-in