Patek Philippe SELF-WINDING CYLINDER Manual De Instrucciones página 4

OPERATION
The rotary winding case is a system that allows the main-
taining of the automatic mechanism of your watch. The
complete winding of the watch must be performed manually.
The case is equipped with an infra-red sensor that detects
the presence of your watch. When there is no watch inside,
the device remains in standby mode to avoid battery usage.
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