Patek Philippe have released their first watch with a regulator dial, characterized by a sweep minute hand, a subsidiary hour dial at 12 o’clock and a seconds subdial at 6 o’clock. The Ref. 5235 Annual Calendar Regulator uses the innovative self winding 31-260 REG QA caliber movement which features a tiny rotor and special Silinvar components for the very first time in conjunction with their Pulsomax escapement and Spiromax balance springs.The watch also includes an annual calendar, a power reserve of up to sixty hours and an eighteen carat white gold case along with a matte alligator strap.