Junghans W 615.97 Mode D'emploi page 31

8. Technical information
Time taken to self-set with good reception (DCF)
Time zone adjustment range
Switching from CET to CEST and vice versa
Synchronisation with the time signal transmitters
Operating temperature
No licence fee. Approved by the German Post Office.
Subject to technical modifications
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Approx. 3 minutes
+10 hours
–13 hours
Automatic
02:00 and
03:00 hours
0°C to 50°C
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