Patek Philippe 39.50mm Men Complications World Time Chronograph Watch Blue Dial 5930G

39.50mm 18K white gold case. sapphire-crystal back. 3-zone blue dial with hand-guilloched navy blue center. 24-hour ring with day/night indictation. blue city disk. caliber CH 28-520 HU self-winding movement with column-wheel chronograph. local time. display of 24 time zones. day/night indication. approximately 50-55 hours of power reserve. matt navy blue hand-stitched alligator strap with large square scales. 18K white gold fold-over buckle. Water resistant to 30 m.