The most intricate Patek Philippe wristwatch now comes in a sleek white gold design. featuring a blue opaline dial on both the front and back. The casing. featuring a hand-engraved hobnail pattern. is unique for its patented reversible mechanism. This watch boasts 20 complications. including five different chiming modes. two of which are exclusive. patented creations - an alarm that sounds at a preselected time. and a date repeater that announces the date on command.