Junghans shock-protections
Junghans wristwatches have been fitted with a wide variety of shock protections over the decades - from the shock absorber for the sensitive pins of the balance, to the entire movements in the case.
Junghans shock protection for the movement in the case
Waterproof watch case - shock protection patent no.: CH000000531739
Waterproof watch case - shock protection patent no.: CH000000531739
Waterproof watch case - shock protection patent no.: CH000000531739
Waterproof watch case - shock protection patent no.: CH000000531739
Here is a patent that was applied for on 18 March 1965 and finally granted in 1972. The described rubber ring is both waterproof and shockproof.
The sealing- and shock protection ring in the movement
Junghans 623.20
Junghans 623.20
Junghans balance shock protection
Balance shock protection Junghans I and II 1951
Balance shock protection Junghans I and II 1951
Balance shock protection Junghans I and II 1951
Balance shock protection Junghans I and II 1951
Patent balance shock protection Junghans II USA 2721443
Patent balance shock protection Junghans II USA 2721443
Patent balance shock protection Junghans II USA 2721443
On September 5, 1951, Junghans applied for a patent for the shock protection of the balance pivots in the USA and on September 10, 1951, Junghans applied for the patent in Germany. The patent is granted in the USA in 1955.
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