Debuting in 2020, the IWC Portugieser Tourbillon Rétrograde Chronograph ref. IW3940-06 utilizes the caliber 89900, blending a tourbillon, retrograde date, and chronograph, first showcased in a Laureus Sport for Good charity piece. This 50-piece limited edition features a platinum case and a silver dial.
Shape
Round
Material
Platinum
Glass
Sapphire
Thickness
17.00 mm
Diameter
44.00 mm
Water Resistance
30.00 m
Dial Color
Silver
