1. Gebr. Junghans AG Schramberg, Deutschland since 1890
2. Reichssilberstempel since 1884
3. Silver alloy 800/1000
Silver alloey 900/1000
Gebr. Junghans AG trade mark registered 05.11.1910
Gebr. Junghans AG trade mark registered in Germany 18.01.1924
Also mentioned in the 1923 Junghans catalog and indicates that the
movement was made in the Schwenningen factory.
ASTRA - Gebr. Junghans AG tradename registered in Germany 09.03.1926
Gebr. Junghans AG tradename registered 05.09.1914
the six-beam star was used by Junghans between 1966 and 1980.
found on an J41 movement, the watch may be a direct export to the US as this mark reminds to the first Junghans trademark "E pluribus unum" from 1877.
The buffalo represents the pocket watch case company Gustav Rau in Pforzheim, Germany, registered 13.6.1935. Junghans bought a lot of the gold plated cases from Gustav Rau. The small circle below the buffalo represents the thickness of the gold plating. One circle means 20 micron/10 year guarantee, two circles equals 40 micron/20-year guarantee and three circles equal 50 microns and 25-year guarantee.
Rodi & Wienenberger, "RoWi", Pforzheim, Germany, registered 8.1.1935