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Haute Horlogerie
![IWC Portugieser Tourbillon Rétrograde Chronograph IW394005 Boutique Edition 18k Armor Gold Watches And Wonders 2020 Novelty](https://swisswatches-magazine.com/wp-content/uploads/2020/04/IWC-Portugieser-Tourbillon-Rétrograde-Chronograph-IW394005-Boutique-Edition-18k-Armor-Gold-Watches-And-Wonders-2020-Novelty-Cover-740x600.jpg)
IWC Schaffhausen has introduced two new Portugieser models equipped with complications. Firstly, the Portugieser Tourbillon Rétrograde Chronograph combines a tourbillon with a retrograde date display and chronograph function. Secondly, the Portugieser Perpetual Calendar Tourbillon has both a tourbillon and a…