Patek Philippe Split-Seconds Chronograph Perpetual Calendar Ref. 5204R-001 The Patek Philippe ref. 5204R-001, introduced at Baselworld 2016, combines a split-seconds chronograph with a perpetual calendar in a 40 mm rose-gold case with a silvery opaline dial, driven by the in-house Calibre CHR 29-535 PS Q. The reference is no longer part of Patek Philippe's collection. - Calibre CHR 29-535 PS Q - Split-seconds chronograph - Perpetual calendar, moon phase, leap year, day/night indication - 40 mm rose-gold case; silvery opaline dial - Brown alligator strap with rose-gold folding clasp Full set. Maker: Patek Philippe. Reference: 5204R-001. Available through ELITA's private desk — verification review, discreet handling and storage. Price on request.