A. JOHNNSEN LONDON 3040, DETENT ESCAPEMENT, GOLD POCKET WATCH, LONDON CIRCA 1870 49 mm diameter yellow gold savonette case, decorated with guilloché motifs, gold dial, signed, partially silvered, Roman numerals, pear-shaped hands, movement with Detent escapement, cylindrical balance spring. Watch currently in working order, winding key absent. Weight 124.3 g A. JOHNNSEN LONDON 3040, DETENT ESCHAPPEMENT, 18K HUNTER CASE POCKET WATCH, LONDON, ENGLAND CIRCA 1870