Pocket watch with independent jumping central second in 18k yellow gold, Switzerland around 1870, key winding, engine-turned case abraded, gold plated cuvette, enamel dial with Roman numerals, fine blued steel hands, stop-slider at 6, gold plated bar construction lever movement, 2 barrels, 23 jewels, compensation- balance with Breguet-hairspring, diameter approx. 50 mm, needs to be overhauled, condition 3