11 Ott FRECO D.H.
CASE : Chrome plated, 34 mm .
BACK : Screw, steel .
it shows only the S/N .
MOVEMENT : AS 1130
Name of brand on the wheel bridge
CASEBACK MARKINGS : D.H. only
Letters are larger ( 1,5 ) than numbers ( 1 mm ).
S/N : 4 digits . The number of registered watches is small ( 9 ).
However ,it is still realistic to think that the range might be 53XX / 59XX .
NOTE : S/Ns are purely indicative .