S. ALEXANDER & SON, COVENTRY, AN EARLY 20th CENTURY MILITARY DECK WATCH CHRONOMETER with a 45mm enamel dial having Roman and Arabic numerals and sweeping seconds hand fronting a top wind spring driven signed movement  with engraved crows foot and jewelled compensated balance wheel fitted in silver case, hallmarks dating it 1916, and mounted in mahogany three-tier box with ivory name plaque inset in lid