Brand New Authentic Patek Philippe Nautilus model 5990/1r-001. Features a rose gold cushion case measuring 40.5mm diameter and thickness, equipped with a deployment foldover clasp. The blue dial displays index hour markers filled in rose gold tone, minute markers on the outer bezal ring, and includes two sub-dials for 60-minute chronograph function and date indication. Rose gold tone hands complement these markers. Powered by an automatic movement (Patek Calibre CH 28-520 C FUS) with a power reserve of up to 55 hours. Additional functions include day-night indicator, flyback chronograph capability, and GMT display. Comes with screw-down crown for water resistance rated at 120 meters or approximately 400 feet.