Patek Philippe on Instagram: "The high jewelry version of a Patek Philippe classic brings together a Grand Complication in a ruby-set attire. This platinum perpetual calendar chronograph (Ref. 5271/12) is lit up by a setting of baguette-cut rubies on the octagonal bezel, lugs and folding clasp. The intense color of the stones is echoed by the lacquered red dial with black-gradient rim as well as by the shiny black alligator strap with contrasting red stitching. The bezel and lugs are set with 58