IWC caliber 51950
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51950 description
IWC's caliber 51950 is a self-winding movement with tourbillon and perpetual calendar. It is based on the earlier 51900 - with the addition of the module for the calendar.
All watches using the IWC 51950 movement:
![IWC Portuguese Perpetual Calendar Tourbillon Edition “150 Years” Red Gold / White (IW5045-01)](https://cdn.watchbase.com/watch/md/iwc/portugieser/iw5045-01-ea.png)
IW5045-01
IWC Portuguese Perpetual Calendar Tourbillon Edition “150 Years” Red Gold / White
![IWC Portuguese Perpetual Calendar Tourbillon Platinum / Silver (IW5045-05)](https://cdn.watchbase.com/watch/md/iwc/portugieser/iw5045-05-94.jpg)
IW5045-05
IWC Portuguese Perpetual Calendar Tourbillon Platinum / Silver
![IWC Portuguese Perpetual Calendar Tourbillon Armor Gold / Blue / Boutique Edition (IW5045-04)](https://cdn.watchbase.com/watch/md/iwc/portugieser/iw504504-ba.jpg)
IW5045-04
IWC Portuguese Perpetual Calendar Tourbillon Armor Gold / Blue / Boutique Edition
![IWC Big Pilot's Watch Perpetual Calendar Tourbillon Le Petit Prince (IW504803)](https://cdn.watchbase.com/watch/md/iwc/big-pilot/iw504803-40.jpg)
IW504803
IWC Big Pilot's Watch Perpetual Calendar Tourbillon Le Petit Prince