Longines 'Dirty dozen Greenlander' a stainless steel British military issue wrist watch 1940S. Dial: black, broad arrow, luminous Arabic numerals, white outer minute track with luminous dot 5 minute markers, subsidiary seconds at 6, dauphine hands with luminous inserts. Calibre: cal. 12.68Z manual winding, 15 jewels. Case: brushed round, stepped bezel, fixed bars, screw down case back engraved with broad arrow, W.W.W. 23088 4071 F7795. Case number: 6980537. Closure: khaki Nato fabric. Dimensions: 37 mm diameter. Signed: dial and movement. Accessories: none