Heir to a Patek Philippe classic launched in 1941, this perpetual calendar chronograph features a timeless yellow gold case and a highly legible silvery opaline dial. The manually wound movement combines traditional construction with six patented innovations and an exceptionally slim calendar mechanism. Maker: Patek Philippe. Reference: 5270J-001. Available through ELITA's private desk — verification review, discreet handling and storage. Price on request.