The Patek Philippe Nautilus Chronograph Steel Black Dial 40mm Ref. 5980/1A-014 offers a distinctive monochrome look within the celebrated Nautilus collection. Produced from 2011 to 2014, this model features a 40mm stainless steel case and integrated bracelet, paired with a black dial for a sleek, modern appearance. The dial includes luminescent index markers and a chronograph subdial at 6 o’clock, all protected by a sapphire crystal. Powered by the selfwinding Calibre CH 28-520 C, the watch delivers hours, minutes, seconds, date, and a flyback chronograph function, with a 55-hour power reserve. The stainless steel deployment clasp ensures secure and comfortable wear. Water resistance is rated to 100 meters, making it suitable for daily use. Unique selling points include the limited production run, robust automatic movement, and the versatile black dial, making this reference a sought-after choice among sport-luxury chronograph enthusiasts.