Hamilton, has unveiled its latest watch that seems to be the largest member of the new RailRoad collection. They call it - the Hamilton RailRoad Automatic Chronograph. Th watch is proposed with a 46 mm case, round in shape. It is clothed in black PVD-treated stainless steel that’s shielded with a sapphire crystal. It’s powered by a new RailRoad Automatic Chronograph watch is a self-winding ETA Valgranges A07.211 movement, which measures 36.66 mm in diameter and is 7.90 mm high. The new Hamilton watch is mounted on a black leather strap, adorned with white stitching and is water-resistant down to 100 meters.