Maurice Lacroix 4120.B Manual De Instrucciones página 33

Alarm time
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Please note :
The reference time must display the same time as the current time.
This means that resetting the current time also requires the
identical correction of the reference time.Afterwards, the alarm
time has to be reset.
* To set your watch « to the exact second », the crown
pulled out into position III when the second hand is in position 60.
The crown
position I (as a guideline : radio signal, radio clocks, etc.).
I II
must be pushed back « to the exact second » into
*Push the crown back
III
into position I (the
display changes from
reference time to alarm
time). A signal indicates
that the alarm is
switched off.
must be
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