At Basel, Patek Philippe launched Patek Philippe 5270G, this will replace the current Patek Philippe 5970. Many of the design features have dated back for seven decades. The new features include two small round openings between the moonphase dial. On the left, there is a day/night indicator and on the right is the leap year indicator. The watch houses the in-house movement, caliber CH 29-535 PS Q. The case is 41 mm and has a 65 hour power reserve.

http://patek.watchprosite.com/show-forumpost/fi-11/pi-4509368/ti-698328/s-0/