This Patek is 40mm 18K rose gold case, sapphire crystal back, screw-down crown, black-brown dial with gold applied hour markers with luminescent coating, self-winding caliber 240 PS IRM C LU movement with power reserve, date by hand, moon phases, seconds subdial, approximately 48 hour of power reserve, leather strap with fold-over buckle. Water resistant to 120 meters.