Patek Philippe Split-Seconds Chronograph Perpetual Calendar Ref. 5204R-011 The Patek Philippe Split-Seconds Chronograph Perpetual Calendar ref. 5204R-011, introduced in 2021, has a 40 mm rose-gold case, a slate grey sunburst dial and the manual-winding Calibre CHR 29-535 PS Q. The reference is no longer part of Patek Philippe's collection. - Manual-winding Calibre CHR 29-535 PS Q - Split-seconds chronograph with 30-minute counter; perpetual calendar, moon phases, day/night indication, small seconds - 40 mm rose-gold case, 14.3 mm thick, water resistant to 30 metres - Dial: slate grey sunburst, gold applied hour markers with luminescent coating - Shiny grey calfskin strap with alligator pattern, fold-over clasp Full set. Maker: Patek Philippe. Reference: 5204R-011. Available through ELITA's private desk — verification review, discreet handling and storage. Price on request.