Patek Philippe Grand Complications Ref. 5270R-001 The Patek Philippe ref. 5270R-001, introduced at Baselworld 2015, is the perpetual calendar chronograph in 41 mm rose gold with a silvery opaline dial. It is driven by the in-house Calibre CH 29-535 PS Q. The reference is no longer part of Patek Philippe's collection. - Calibre CH 29-535 PS Q - Chronograph with 30-minute counter - Perpetual calendar, moon phase, leap year, day/night indication - 41 mm rose-gold case - Silvery opaline dial Full set. Maker: Patek Philippe. Reference: 5270R-001. Available through ELITA's private desk — verification review, discreet handling and storage. Price on request.