This Pre-Owned Patek Philippe Nautilus Steel and Rose Gold Chronograph Blue Dial 40.5mm 5980/1AR, Stainless Steel/Rose Gold Bezel and Stainless Steel/Rose Gold Bracelet With Includes Box, Certificate Year 2014 and 24 months Iskander Gallery LLC Warranty. The Patek Philippe Nautilus 5980/1AR is a luxurious blend of sportiness and refinement, crafted from stainless steel and 18k rose gold with a striking blue embossed dial. Powered by the automatic Caliber CH 28-520 C, it offers hours, minutes, small seconds, date, and an integrated chronograph with a 60-minute and 12-hour mono-counter. The 40.5 mm case features sapphire crystal on both sides and is complemented by a two-tone steel and rose-gold bracelet with a fold-over clasp. With a water resistance of 120 meters, this model stands out as a sophisticated and highly sought-after timepiece in the Nautilus line.