Produced as a 15-unit limited edition for the brand's 150th anniversary, the IWC Portugieser Constant-Force Tourbillon “150 Years” ref. IW5902-03 features a 46mm platinum housing. Inside, it utilizes the hand-wound caliber 94805, equipped with both a moonphase indicator 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
Blue