Really nice Hamilton 4992B, 22 jewel military in original box ! Watch is in near mint  condition with all markings on back. Just serviced and running perfect. Ordinance marks on back: AN 5740,Mfr's. part no. 33106 , Serial No. AF 43-17091  , Contract No. W535ac-40783 , Hamilton Watch Co. Very nice all original 24 hour GCT with hack set 4992B with 22 jewels...serviced and running perfect. Early war production (1942) and rare tofind them in an original box with cloth protector!