Patek Phillippe : Annual Calendar Chronograph

Aficionados have long waited for Patek Phillippe’s Annual Calendar Chronograph, a complicated wristwatch with functions that are truly useful in daily life. Presenting the world’s thinnest split second chronograph, it features a totally self-winding chronograph movement developed and manufactured by Patek Phillippe and endowed with a further complication: the patented Annual Calendar Mechanism.