IWC Portugal

Not sure, it looks like the Portuguese IWC made in 2004, a 50-piece limited edition Portugieser chronograph (ref. 371212) for Barozzi.

But not the same, I would be very cautious.
Info can be found on this reference websire for Portuguese limited editions.
www.gregsteer.net/IWC/Portuguese_LE/Barozzi.jpg

There were new editions lately that you can find here :

www.iwc.com/en/news/the-rebirth-of-a-classic-portugieser-chronograph-rattrapante/