Men's Patek Philippe Sky Chart Grand Complication watch, 18k yellow gold case and a bezel made of the same precious metal. Black alligator leather strap with a pin buckle. Patek Philippe caliber 240 LU CL hand-winding movement with 48 hour approximate power reserve. Blue dial with Hours, Minutes, Solar Time, Sidereal Time, Lunar Days, and Lunation. Sapphire crystal "see-through" case back.