The Portuguese Sidérale Scafusia is an apogee in the art of watchmaking from Schaffhausen. Never before, in the company history going back over 140 years, has an IWC watch featured such an array of astronomical displays combined with numerous complications and new advances in watchmaking.

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The watch combines the romanticism of the star-studded night sky with rigorous scientific demands, complex watchmaking technology with astonishingly simple operation, and meticulous attention to detail with visionary far-sightedness. Viewed from the front, this fascinating masterpiece is a classic Portuguese, viewed from the back, it is an astronomical instrument. And on the inside, it is a technical milestone in the history of Haute Horlogerie.

It took the project team at IWC Schaffhausen ten years to develop and create the Portuguese Sidérale Scafusia. Watch specialists and astronomers combined their know-how and a wealth of experience in this ambitious project