Omega. A stainless steel manual wind military issue wristwatch 'Dirty Dozen', Circa 1944Omega. A stainless steel manual wind military issue wristwatchModel: 'Dirty Dozen'Date: Circa 1944Movement: 15-jewel Cal.30 T2 manual wind, No.10262826Dial: Black, broad arrow below 12, white Arabic numerals, white outer minute track with luminous 5 minute markers, subsidiary seconds at 6, polished sword hands with luminous insertsCase: Brushed and polished round, screw down back engraved 'WWW ↑ Y 9741 10673940'Strap/Bracelet: Associated steel linkBuckle/Clasp: Associated folding claspSigned: Case, dial & movementSize: 34mmDuring the Second World War the British Ministry of Defence tasked 12 watch companies with the role of producing watches that were fit for military action. These companies were Buren, Cyma, Eterna, Grana, Jaeger-LeCoultre, Lemania, Longines, IWC, Omega, Record, Timor, and Vertex. The term 'Dirty Dozen' (after the 1960's film) has been coined to describe these watches.