Stores ref. 6E/340, redesignated 6E/50. Swiss made 16-jewel movement. White metal case approx. 5cms. diameter. White dial with non-luminous black Arabic numerals and hands plus subsidiary seconds dial. Screw backed case with 'A.M.', reference and serial numbers engraved. The dial has some minor marking and the blued steel hands have surface corrosion. Has a plastic 'crystal' - again with minor marks only. The case has normal wear and tear but no damage. Has been cleaned and tested recently and appears to be in good working order. Pocket watches like these were preferred by navigators who found it easier to place the watch on their maps and charts whilst working. Stock code C19422.