ULYSSE NARDIN FOR THE ENGLISH ARMY, CIRCA 1920 Three body silver case, n. 618983, reeded screw back engraved with assignment inscription "H.S. broad arrow 2”.
Signed white enamel dial, n. 122759, Roman hour numerals, minute and 1/5th of second divisions. Blued pear hands, centered seconds.
Signed key-less movement, gilded and frosted bridge plate, n. 122759, indirect seconds, lever escapement, presumably Guillaume balance, blued Breguet hairspring, disc micrometer regulator. 
Within wooden box and brass case signed “Dennison” with screw bezel.
Diameter Ø: 56 mm
Note: to be serviced.