Chronographs made their way into the Portugieser family in 1995 with a sophisticated Valjoux-modified rattrapante (IW3712), followed by a classic chronograph, again with a modified Valjoux, in 1998 with the reference IW3714. And then, in 2020, IWC equipped it with a manufacture column-wheel chronograph movement to become the IW3716 (don’t miss our article comparing the […]