It's a little desktop clock resembling a pocket watch of that era

showing Approaches to Falmouth

but the watch remains incredibly lightweight at just 55g

70 constellations and 1

Case overall diameter is 6"

Brass "Saloon" Instruments Option:Barometer It's a little desktop clockOur Saloon Porthole Range of clocks, barometers and tide clocks have hefty solid cast brass casings, scuttle clamps, bevelled glass fronts and brass hands with black subsidiary indicators on light cream faces. The movements are 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