(56144) Patek Philippe Grand Complication Minute Repeater Perpetual Calendar, 5074R-012, 5074R012 5074R 012, one of the largest Grande Complication watches ever made by Patek Philippe, the 18k rose gold stepped case with 18k rose gold deployant clasp, the case has remained in excellent shape retaining original edges and hallmarks, automatic Patek Philippe caliber R 27 Q movement composed of 467 parts including a perpetual calendar...