Rare For Part Military CASE Alpina D Wristwatch Repair German Army Luftwaffe WW2. Before making decision please carefully read all description, look all photos. If you have any questions – ask and I’ll answer with pleasure. Any defects that are not described but visible on photos will be considered as described. Have a nice shopping! I bring to your attention Military case. The case back is steel. Actually case it is much more beautiful than on a photo. S/n of the case: D. Diameter of watch: 32 mm. Mm Band size: 1.