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
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.
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.