Patek Philippe Complications Annual Calendar, Moon Phases 5147G-001 self-winding mechanical watch features a 39mm 18k white gold case with diamond bezel surrounding a navy blue dial on a navy blue alligator leather strap with an 18k white gold deployant buckle. Functions include hours, minutes, seconds, annual calendar with day, date, month, and moon phase. This watch is powered by the Manufacture Movement Caliber 324 S IRM QA LU. This watch is water-resistant to 30m.