The ref. L4.7220.127.116.11 Flagship Héritage features a full calendar chronograph courtesy of its caliber L678. The case is pink gold.
Caliber L678 is Longines version of the ETA / Valjoux 7751 movement. This self-winding movement features a full calendar with indicators for the day, date and month, a chronograph, a moonphase indicator and an 24-hour indicator.