Reference IW5901-02 of the IWC Portugieser Constant-Force Tourbillon was produced in 2016 as a unique item. This model combines a platinum case with a grey dial and is powered by the hand-wound caliber 94800. Limited to 1 unit.
Movement Type
Manual
Caliber
94800Jewels
43
Reserve
96
Frequency
18000
Hands
Small Seconds
Shape
Round
Material
Platinum
Glass
Sapphire
Thickness
13.40 mm
Diameter
46.00 mm
Water Resistance
30.00 m
Dial Color
Grey
