Really nice all original Bulova A11. Movement is a Caliber 10AK non- hack set, 16 jewels just serviced and running perfect. Ordinance Info: Watch Navig. Type A-11, Spec. no. 94-27834-B,   Serial No AF-44-.168604  Part no. 10 AK csh Part number 30-053-441235AF and Bulova Watch Co. . Case measures 32mm x 39.5mm and comes with NATO replacement strap. It would be hard to find a nicer all original example.