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.
![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
![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)