Zeppelin NE86 User Manual page 7

B
Automatic Chronograph
How to set the time
1) Pull out the crown to the second click position.
2) Turn the crown to set hour and minute hands.
(Check that AM / PM is set correctly.)
3) Push the crown back into the normal position.
Note: During time setting, if the chronograph is started, the chronograph
hands will rotate simultaneously. This is not a malfunction. Please reset
chronograph by pressing pusher B. The Chronograph hands will return to
their reset positions.
How to set the date
1) Pull out the crown to the first click position.
2) Turn the crown to left for date setting.
3) Push the crown back into the normal position.
* Do not set the date between 8:00 P.M. and 2:00 A.M.
as this will cause a malfunction.