The IWC Portugieser Tourbillon Rétrograde Chronograph reference IW3940-05 was introduced in 2020. This watch is powered by a caliber 89900 movement, which combines a tourbillon with retrograde date and a chronograph – a movement first used the Portugieser in a unique piece created to benefit the Laureus Sport for Good foundation. The case is Armor Gold while the dial color is Blue.
