Omega military chronograph retailed for Argentinian Air Forces

Unusual and very rare stainless steel Omega chronograph ref. 2451 water resistant case, screw back with rounded pushers for chronograph and monoblocco case, diam 35 mm, n°1741667. Hand winding movement Lemania 27CHRO n°1082xxxx. Original silvered two tone dial with applied indexes, three counters and outer tachimeter scale. Stainless steel baton hands. 

Period: Genève 1949

Case back engraved with "Aeronautica Militare Argentina" logo

The watch is accompanied by the Omega extract from the archives