Launched in 2020, the IWC Portugieser Tourbillon Rétrograde Chronograph ref. IW3940-05 features the caliber 89900, which integrates a tourbillon, retrograde date, and chronograph—a movement debut seen in a Laureus Sport for Good unique piece. It is housed in an Armor Gold case with a blue dial, limited to 50 pieces.
Shape
Round
Material
Armor Gold
Glass
Sapphire
Thickness
17.00 mm
Diameter
44.00 mm
Water Resistance
30.00 m
Dial Color
Blue
Material
Boutique Edition
