CASE . Chrome plated , 33 mm .

BACK . Screw , steel .

           It is marked with the S/N and the manufacturer’s symbol ( helm)

MOVEMENT  .  AS 1130 

                       It is often anonymous . In some cases , the brand’s name is on one of the bridges .

PUNCHING  .  D.H.  only .

                    It is small and uniform ( 1mm ) .

S/N  .  5  or  6 digits .

         By the number of  registered  watches ( 95 ) there may be six batches :

         – 5 digits , 3 batches :

           .   001XX   /   022XX  ;

           .   045XX   /   076XX  ;

           .   088XX   /  170XX  .

        – 6 digits , 3 batches : 

           .  0023XX   /   0058XX  ;

           .  016XXX   /   033XXX  ;

           .  040XXX   /   045XXX  .

NOTE  .  

           1. This brand was one of the very few German Company to supply watches  of this type to the Wehrmacht.

               The great majority of Companies were Swiss .

           2. Helma , with Glycine and Helios , is among the most common D.H.

           3. Batches and S/Ns are purely indicative .