A VICTORIAN TWO-DAY MARINE CHRONOMETER William Webb, London, numbered 5558, circa 1880 The silvered Roman numeral dial with gilt hands and subsidiary seconds and 56-hour down / up state of wind dials numbered 5558 and signed W. Webb Junr, London / Maker to the Royal Navy , the brass bowl stamped 558 underside mounted in a brass gimbal within a stained hardwood and glazed inner case resting in a conforming outer case bound with a leather strap Overall 23cm high, 28cm wide, 23cm deep