One of Patek's larger watches the 5980/1R-001 is a 40.5mm rose gold chronograph on a bracelet with a black dial. The watch is fitted with the self winding CH 28-520 C movement which has a maximum power reserve of 55 hours. The chronograph has a 60 minute counter as well as a 12-hour mono-counter which makes it especially useful for real world applications. New Clasp version. Ref : 5980