Twitter 上的David M Robinson:"The @IWC Portugieser Chronograph (Ref. IW371604). With its compact diameter of 41 mm, it fits almost any wrist! #IWCJourney https://t.co/opQuWxBLpE" / Twitter
IW371609-Portugieser Chronograph
Introducing: IWC's Smaller Pilot's Chronograph Is Cleared For Takeoff - Hodinkee
IWC - Portugieser Chronograph with new in-house movement | Time and Watches | The watch blog
New IWC Portugieser Chronograph Stainless Steel Automatic 41 mm Watch IW371617 685803359076 | eBay
IW371620 | IWC Portugieser Chronograph Automatic 41 mm watch| Buy Now Watches of Mayfair