Patek Philippe Split-Seconds Monopusher Chronograph Ref. 5950R-001 The Patek Philippe ref. 5950R-001 is the monopusher split-seconds chronograph in a 37 mm rose-gold cushion case, driven by the ultra-thin Calibre CHR 27-525 PS. The rose-gold version was introduced in 2016 and is no longer part of Patek Philippe's collection. - Calibre CHR 27-525 PS - Monopusher split-seconds chronograph - 37 mm rose-gold cushion case, water resistant to 30 metres - Silver dial, Breguet numerals Full set. Maker: Patek Philippe. Reference: 5950R-001. Available through ELITA's private desk — verification review, discreet handling and storage. Price on request.