Patek Philippe Grand Complications 6102

The Patek Philippe Grand Complications 6102P-001 is a 44mm round watch in a platinum case with a blue dial and sapphire crystal. It features a mobile sky chart displaying the visible movement of the stars along with the position and phases of the Moon, with an ellipse on the underside of the crystal marking the sky opening visible above Geneva and cities at the same latitude. The date is shown by a central hand moving over the dial circumference. It is powered by the automatic Patek Philippe calibre 240 LU CL C, offering a 48-hour power reserve and water resistance to 30 meters.