The Portugieser chronograph is one of the most sought-after models in the Portugieser family since its inception in 1998. The IW371203 comes with a rose gold case that is 41mm in diameter and 12.3mm thick. The case has a solid case back, an anti-reflective sapphire, 18K rose gold crown and pushers with a slim rose gold bezel. This stylish timepiece has a silver-plated dial with two chronograph sub-dials, rose gold Arabic numeral markers and luminous rose gold hands. The IW371203 is powered by the manually wound 76240 caliber that has Rattaprante Chronograph functionality and a power reserve of 44 hours. The case is paired with a brown alligator leather strap with a pin buckle. It has a water resistance of 30 meters (98 feet).