The limited-edition IWC Portugieser Chronograph Ceratanium IW371631, released in 2026, is restricted to 1,500 units and features a 41 mm Ceratanium case and hardware. It is powered by the automatic calibre 69355, a column-wheel movement with a 46-hour power reserve visible through a sapphire case back. The watch includes a black dial with elevated markers and is finished with a black rubber strap and a Ceratanium pin buckle.
Shape
Round
Lug Distance
20.00 mm
Material
Ceratanium
Glass
Sapphire
Thickness
13.10 mm
Diameter
41.00 mm
Water Resistance
30.00 m
Dial Color
Black
