GQ Style, a newly launched lifestyle publication that is part of GQ/Conde Nast, recently sat down with Robert Downey Jr. to look at his wristwatch collection. He owns a Patek Philippe Nautilus 5712, a vintage Baume & Mercier his father gave him, a few Rolexes including a Rolex GMT customized by Bamford Watch Department, a Bell & Ross, and the Jaeger-LeCoultre AMVOX3 Tourbillon GMT that he wore in Ironman 2.