Really nice example of U.S.Army Air corp hack set Elgin  A-11. Movement is like new (gilt finish y493024 which dates production to 1943. Ordinance ; U.S. Army A.C. ,watch navigation hack, Type A-11 ,Spec. no. 94-27834 B, Ser. no. AF45-41040 ,mfgrs. part no. 2114, Ord.no. W33-038ac-6600 Elgin.Overall condition is near mint with original  dial and factory hands. Case measures 31.6 x 39 mm overall and comes withnew nato replacement strap....ready to go!