The IWC Portugieser Constant-Force Tourbillon “150 Years” ref. IW5902-02 is a 15-piece limited edition marking the manufacturer's 150th anniversary. It is encased in 46mm of platinum and powered by the manual-wind caliber 94805, which includes a moonphase display and a constant-force tourbillon.
Shape
Round
Material
Platinum
Glass
Sapphire
Thickness
13.40 mm
Diameter
46.00 mm
Water Resistance
30.00 m
Dial Color
White