Longines a mechanical RAF Air Ministry wristwatch,

model no.6B/159, with a black dial with Arabic numerals, centre sweep seconds, engraved to back 'AM 6B/159 3495/43', with a Bonklin link strap, the movement numbered '5934690' and 'Acierinox Longines 22313 434',

31mm daimeter

Provenance:

The John Mitchell Collection of Military Horology

Condition Report:

Working when wound, back not checked. Fair, case good.