BIELCO D.U.
CASE : chrome plated , 34 mm
BACK : bayonet , steel .
It reports : "wasserdicht" , D.U. , S/N and "stahlboden .
MOVEMENT : AS 1130 anonym.
S/N : few watches registered (4) . It's impossible to define a range .
However , it could be between ...
ARISTON D.U.
CASE : chrome plated , 34 mm.
BACK : screw , steel .
It reports : " wasserdicht , stahlboden and D.U. " on line . It is typical of other D.U.
MOVEMENT : AS 1130
It reports the brand name on the wheel bridge .
PUNCHING :...
ACACIA D-U
CASE : Chrome plated , 34mm
BACK : Screw , steel
It reports : D-U , "wasserdicht" and "stahlboden" .
MOVEMENT : AS 1130 anonym .
PUNCHING : D.-U. only .
S/N : the low number of registered watches (3) does not allow to define a possible range .
...
CASE : Chrome plated , 34mm
BACK : Screw , steel.
It reports " wasserdicht " , " D.-U. " and "stahlboden"
MOVEMENT : AS 1130 anonym .
CASEBACK MARKING : D. U. only .
...
Milex D.H.
CASE : chrome plated , 32 mm .
BACK : screw , steel
Outside reports the S/N only . Inside "CB" , " rostfrei "and "stahl boden" .
MOVEMENT : AS 1130 ( modified) .
It reports the brand name on the wheels bridge .
CASE BACK : ...
HADO D.H.
CASE . Chrome plated , 33 mm .
BACK . Screw , steel .
It only shows the S/N and the manufacturer’s symbol ( helmet )
MOVEMENT . There are two movements :
1. AS1130 modified and brassed . Probably the first version of AS1130 .
...
GLYCINE D.H.
CASE : chrome plated , 34 mm .
BACK : Screw , steel .
Inside , letters “CB” are punched .
As far as the outside is concerned ,there are at least two types of writing layout .
To make the description easier , below...
HELVETIA D.H.
CASE . Chrome plated , 34mm .
Very often , on the back of the right upper lug are punched three digits : they correspond
to the last three digits of the S/N punched inside the back .
BACK . Screw , steel .
Outside...
ERA D.H.
CASE : Chrome plated , 34 mm .
BACK : Screw , steel .
In addition to the S/N, it reports “ Stahlboden “.
On some watches it also appears “ Wasserdicht “.
MOVEMENT : AS 1130 anonym .
Instead of having the movement stop ring...
BUREN D.H.
CASE : Chrome plated , 34 mm .
BACK : Screw , steel .
Outside shows the S/N only . Inside is punched a number .
MOVEMENT : Buren Grand Prix Cal 410 .
The Company name is punched on the ratchet wheel .
Most of...