Haute Complication: IWC Portugieser Constant-Force Tourbillon Edition “150 Years”

With so much attention going to the breathtaking IWC “Tribute to Pallweber,” some other watches of the Jubilee collection did not get the attention that they would normally warrant. Such was for sure the case of the most complicated, and technically imposing watch of IWC’s anniversary collection, the Portugieser Constant-Force Tourbillon Edition "150 Years".