Patek Philippe Complications Annual Calendar, Moon Phases 5396R-015 self-winding mechanical watch features a 38.5mm 18k rose gold case surrounding a blue sunburst dial with diamond hour markers on a blue alligator strap with an 18k rose gold folding buckle. Functions include hours, minutes, seconds, annual calendar with day, date, month, moon phase, 24- hour display. This watch is powered by the mechanical movement Caliber 324 S QA LU 24H/303. This watch is water-resistant to 30m.