Patek Philippe Complications Annual Calendar Moon Phases 4947/1A-001 self-winding mechanical watch features a 38mm stainless steel case surrounding a blue dial on a stainless steel bracelet with a folding buckle. Functions include hours, minutes, seconds, annual calendar with day, date, month and moonphase indicator. This watch is powered by the Manufacture Movement Caliber 324 S QA LU. This watch is water-resistant to 30m.