Junghans BOGNER J800.1 Manual Del Usuario página 3

Instructions for use
Calibre J800.1
Important note:
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 movement during
this period and you could damage the date advance mechanism.
Winding up the watch
Calibre J800.1
1
3
25
Setting the time
2
5
A B C
4