IVERSEN & Co. no. 178 ship´s chronometer, Norwegen/England around 1880, 3-piece construction mahogany-box hairlines, at the sides sunk brass-bracked, silvered dial with Roman numerals, 56-hours power reserve indicator at 12, constant second at 6, fine original hands, brass movement with chain & fusee, Earnshaw-escapement with detached spring, compensation-balance, cylindrical hairspring, diamond-endstone, original winding-key, measures approx. 19 x 18 x 18 cm, unrestored original condition, overhaul recommended at buyer's expense, condition 2-3