18ct Rose gold Patek Philippe Nautilus 5980/1R-100. Case diameter 40.5mm (44mm across not including winding crown) water resistant to 120 meters. Automatic Patek Philippe Caliber CH 28-250 C, 35 jewels, 28,800 vph, between 45 and 55 hours power reserve. Column-wheel control of chronograph movement, rotor on zirconium oxide ball bearings, seal of Geneva. Functions, hours, minutes, sweep seconds, chronograph and date. Black gradient dial with gold applied hour markers with luminescent coating. Brushed and polished 18ct rose gold bracelet with double folding clasp and safety. Box and papers dated August 2106.