DailyWatch - The stunning Portuguese Sidérale Scafusia (Ref. 5041) from @iwcwatches. The first watch from IWC to feature a patented constant-force tourbillon together with many other complications and individually calculated astronomical displays.
Insider: IWC Portugieser Sidérale Scafusia. Going Hands-On with IWC's Most Complicated Watch Ever. — WATCH COLLECTING LIFESTYLE
![IWC Schaffhausen Portugieser Sidérale Scafusia - featuring patented constant-force tourbillon - YouTube IWC Schaffhausen Portugieser Sidérale Scafusia - featuring patented constant-force tourbillon - YouTube](https://i.ytimg.com/vi/vaXP2padNT0/maxresdefault.jpg)
IWC Schaffhausen Portugieser Sidérale Scafusia - featuring patented constant-force tourbillon - YouTube
![NEW RELEASE: The IWC Portuguese Sidérale Scafusia, The Most Complex Watch From IWC...Ever - Hodinkee NEW RELEASE: The IWC Portuguese Sidérale Scafusia, The Most Complex Watch From IWC...Ever - Hodinkee](https://hodinkee.imgix.net/uploads/article/hero_image/1283/1000w.jpg?ixlib=rails-1.1.0&fm=jpg&q=55&auto=format&usm=12&w=1200&h=630&fit=crop)
NEW RELEASE: The IWC Portuguese Sidérale Scafusia, The Most Complex Watch From IWC...Ever - Hodinkee
![IWC. An extremely fine and rare 18K gold limited edition minute repeating perpetual calendar split seconds chronograph tourbillon wristwatch with moon phases IWC. An extremely fine and rare 18K gold limited edition minute repeating perpetual calendar split seconds chronograph tourbillon wristwatch with moon phases](https://www.christies.com/img/LotImages/2020/GNV/2020_GNV_18827_0183_000(iwc_an_extremely_fine_and_rare_18k_gold_limited_edition_minute_repeati072618).jpg?mode=max)
IWC. An extremely fine and rare 18K gold limited edition minute repeating perpetual calendar split seconds chronograph tourbillon wristwatch with moon phases
![IWC Watches on Twitter: "The #IWC Portugieser Sidérale Scafusia is our most exclusive and most complicated watch: http://t.co/kenHtBLsmJ http://t.co/qOzIuhbnqN" / Twitter IWC Watches on Twitter: "The #IWC Portugieser Sidérale Scafusia is our most exclusive and most complicated watch: http://t.co/kenHtBLsmJ http://t.co/qOzIuhbnqN" / Twitter](https://pbs.twimg.com/media/CIRMAuMWwAAL77W.jpg)