Girard Perregaux Sport Automatic Chronograph, ref. 4956 in stainless steel case and bracelet. Black carbon fiber dial. The case is 40.2 mm across, not including the crown and 51 mm long. 13mm thick. 

Girard Perregaux automatic movement 3370 with 63 jewels. It is ETA 2892A2 based movement with Dubois-Depraz module DD2021. The watch is good used condition and keeps excellent time. The GP stainless steel bracelet will fit a 7.5 inch wrist, if needed an additional link is available.