Military wristwatch "Grana" for German Luftwaffe. Black luminous arabic numerals dial,baton hands. Movement CAL.KF 321, Manual wind,15 jewels. Movement signed Grana,Cal.RF321. Metal case. Screw stainless steel signed D 491765-Dienstuhr luftwaffe. Very good working condition. Size- diameter without grown 34 mm,lenght from lug-to-lug 41 mm.New leather strap.