UK retailed by Boodles in Feb 2008, this 5960P has just returned from a full service by Patek Philippe and is sealed inside its protective box. It is the very first Patek wristwatch to feature a self-winding chronograph movement with Annual Calendar function. The 40.5mm platinum case houses the PP caliber CH 28-520 movement, and has a power reserve of 55hrs. The Anthracite dial displays the day, date & month and has a power reserve indicator beneath the date aperture. The chronograph monocounter also has a day/night indicator which progressively changes colour from white (day) to blue (night). Original box, Patek Philippe certificate, instructions and stylus. Guaranteed by Watch Club for 2 years.