Patek Philippe Complications Annual Calendar Chronograph 5961P-001 Platinum Blue Diamond Baguette Dial and Bezel Case - Platinum 40.5 mm Fullset - Box , Paper , Cert.2013 Condition - Used Movement Type: Automatic Caliber CH 28-520 IRM QA 24H Power reserve: 45–55 Hours Dial: Royal Blue Opaline with Baguette Diamond Markers Bracelet material: Navy Blue Alligator Leather Functions: Chronograph, Date, Month, Annual calendar