MODEL: 5396G BOX & PATEK SERVICING RECEIPT AT $4340 DATED MAR 2024. Patek Philippe Annual Calendar, 18K white gold case 38.5mm, sapphire crystal back, silvery Opaline dial with gold applied hour markers, self-winding, calibre 324 S QA LU 24 H movement with a day/date/month annual calendar with moon phase and a.m./p.m. indication, approximately 45 hours of power reserve. Water resistant to 30 meters.