IWC Schaffhausen Portugieser Chronograph

The IWC Schaffhausen Portugieser Chronograph IW371615 is a chronograph with a stainless steel case measuring 41 mm in diameter. The case stands 13 mm thick and carries a 30 metre water resistance rating. A green dial sits beneath a convex sapphire crystal with antireflective coating on both sides. Inside is the self-winding calibre 69355, which runs with a power reserve of 46 hours. Beyond the chronograph function, the dial also carries small seconds. The sapphire display back allows a view of the movement. This reference uses a black alligator leather strap, fitted with a lug width of 20 mm.