Patek Philippe In-Line Perpetual Calendar 5236P-011

This elegantly pared-down timepiece with a platinum case and a silvery dial is equipped with an iconic Grand Complication: the in-line perpetual calendar displaying day, date, and month indications in a single large 12 o’clock aperture. This patented watchmaking feat is enabled by ultra-thin self-winding 31-260 PS QL.