CASE : Chrome plated , 34 mm .
BACK : Screw , steel .
It reports “ Wasserdicht “ , S/N and “ Stahlboden “ .
MOVEMENT : AS 1130 anonym .
PUNCHING : D.U. only .
S/N : Few watches registered (4) . It’s impossible to define a range .
However , it could be between 400 an 900 .
NOTE : S/Ns are purely identicative .