The 5170G-010 is a manually wound chronograph from Patek with central chronograph hand. On the right hand side of the ebony black opaline dial is a 30-minute elapsed time counter on the left is a seconds subdial. The movement has a very respectable power reserve of 65 hours with the chronograph disengaged and is of a completely new design. The case is 39.4mm by 11mm a perfect size for almost every wrist and right at home under a shirt cuff. Elegant yet sporty at the same time a future classic.