Patek Philippe Nautilus Chronograph Ref. 5980R-001 The Patek Philippe Nautilus Chronograph ref. 5980R-001 is the 18-carat rose-gold chronograph worn on a brown alligator strap. Its embossed brown dial shades to black, with the date at 3 o'clock and a monocounter at 6 o'clock for the flyback chronograph. The reference is no longer part of Patek Philippe's collection. - Self-winding Calibre CH 28-520 C - Flyback chronograph with 60-minute and 12-hour monocounter - Date at 3 o'clock - 40.5 mm rose-gold case, water resistant to 120 metres - Brown alligator strap with rose-gold fold-over clasp Full set. Maker: Patek Philippe. Reference: 5980R-001. Available through ELITA's private desk — verification review, discreet handling and storage. Price on request.