IWC caliber 89900
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89900 description
IWC caliber 89900 is an in-house movement pairing a flyback chronograph and retrograde date indicator with a tourbillon escapement. It was introduced in the 2017 Da Vinci Tourbillon Rétrograde Chronograph.
Details to be confirmed.
All watches using the IWC 89900 movement:
![IWC Da Vinci Tourbillon Rétrograde Chronograph Red Gold / Silver (IW3931-01)](https://cdn.watchbase.com/watch/md/iwc/da-vinci/iw3931-01-b6.jpg)
IW3931-01
IWC Da Vinci Tourbillon Rétrograde Chronograph Red Gold / Silver
![IWC Portugieser Tourbillon Rétrograde Chronograph Laureus Charity Night 2017 (IW3940-04)](https://cdn.watchbase.com/watch/md/iwc/portugieser/iw3940-04-a0.jpg)
IW3940-04
IWC Portugieser Tourbillon Rétrograde Chronograph Laureus Charity Night 2017
![IWC Portugieser Tourbillon Rétrograde Chronograph Platinum / Silver (IW3940-06)](https://cdn.watchbase.com/watch/md/iwc/portugieser/iw3940-06-b1.jpg)
IW3940-06
IWC Portugieser Tourbillon Rétrograde Chronograph Platinum / Silver
![IWC Portugieser Tourbillon Rétrograde Chronograph Armor Gold / Blue / Boutique Edition (IW3940-05)](https://cdn.watchbase.com/watch/md/iwc/portugieser/iw3940-05-f3.jpg)
IW3940-05
IWC Portugieser Tourbillon Rétrograde Chronograph Armor Gold / Blue / Boutique Edition
![IWC Portugieser Tourbillon Rétrograde Chronograph Lewis Hamilton (IW3940-08)](https://cdn.watchbase.com/watch/md/iwc/portugieser/iw3940-08-fa.jpg)
IW3940-08
IWC Portugieser Tourbillon Rétrograde Chronograph Lewis Hamilton