Aero Nacht Instruction Manual

How to wind the watch:

Rotate the crown to the 6 o'clock position at position 1, then loosen it and turn it to the 12 o'clock direction to wind the mainspring.It winds up about 40 to 50 times and operates for about 40 hours. Please be careful not to wind it too much.In order to use it for a long time, please roll it up every day as much as possible.

Time adjustment:

Pull the crown out to positions 1 and 2 and turn the crown to adjust the time. Make the needle rotate clockwise.

Chronograph measurement method:

Press the start/stop button to start the measurement. Press again to stop.


Press the reset button to reset the chronograph second hand. The subdial will return to zero. If you start measurement and press the reset button during operation, it may cause deterioration of parts or malfunction.When resetting, be sure to press stop and confirm that it has stopped before resetting.

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