An open-face English lever key-wind pocket watch with stop/start button in case-band, the white enamel dial with Roman hour numerals, gold hour and minute hands and blued steel centre-second sweep hand, recessed centre with inscription MARINE DECIMAL CHRONOGRAPH and numbered 5/45148, outer chapter graduated 300 (at XII) - 25 (at I) - 50 (at II) et seque, gilt ¾ plate lever movement, silver case (H.M. Chester 1881/82), reeded band, hinged bezel and back with foliate decoration See illustration