Patek Philippe Reference 6102, Manual

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Reference 6102
Caliber 240 LU CL C
Self-winding wristwatch with date, sky chart,
time of meridian passage of Sirius and of the moon,
orbital position of the moon, and moon phases.
The Reference 6102 , a Patek Philippe astronomical
Grand Complication, presents several functions
that are exceptionally uncommon in a wristwatch.
It permanently showcases the heavenly canopy
over the northern hemisphere, emulating the
apparent movement of the stars as well as the
positions and phases of the moon in the course
of a lunar cycle. This fascinating celestial ballet is
choreographed by the self-winding caliber 240 LU
CL C movement, which despite its complexity is
only 6.81 mm high. The astronomical indications
are complemented by a central date hand
that points at the date scale on the outermost
periphery of the sapphire-crystal.