Junghans J830 Manual De Instrucciones página 5

Features and functions
Calibre J830
1
2
25
Setting the time
3
4
A B C
5
Setting the date
Do not make any changes to the date between 08:00 p.m.
and 02:00 a.m., as the date is automatically advanced by the move-
ment during this period and you could damage the date advance
mechanism.
Technical information
Calibre J830