An icon enters dark mode

IWC Schaffhausen unveils the Portugieser Chronograph Ceratanium®. Entering dark mode, the iconic chronograph is presented in an all-black version crafted in Ceratanium®, an IWCdeveloped material that combines lightness and hardness with a distinctive dark finish. Alongside the Ceratanium® case, crown, and pushers, the watch features a black dial with black appliques and hands, and a rubber strap in the same shade. The Portugieser Chronograph Ceratanium® is presented in a limited edition of 1,500 pieces. 

Since its introduction in 1998, the Portugieser Chronograph has brought a touch of sporty elegance to IWC Schaffhausen’s Portugieser collection. With its two vertically arranged subdials and an inner flange with a quarter-second scale, the chronograph has established itself as one of the Swiss luxury watchmaker’s most recognizable and popular watch designs. IWC now presents a creative reimagining of this timeless classic: the first all-black version crafted from Ceratanium®. Since its introduction in 1998, the Portugieser Chronograph has brought a touch of sporty elegance to IWC Schaffhausen’s Portugieser collection. With its two vertically arranged subdials and an inner flange with a quarter-second scale, the chronograph has established itself as one of the Swiss luxury watchmaker’s most recognizable and popular watch designs. IWC now presents a creative reimagining of this timeless classic: the first all-black version crafted from Ceratanium®. 

Limited to 1,500 pieces, the Portugieser Chronograph Ceratanium® (Ref. IW371631) features a 41-millimetre case, crown and pushers crafted from Ceratanium®. Developed by IWC, this advanced material combines the lightness and robustness of titanium with a hardness Limited to 1,500 pieces, the Portugieser Chronograph Ceratanium® (Ref. IW371631) features a 41-millimetre case, crown and pushers crafted from Ceratanium®. Developed by IWC, this advanced material combines the lightness and robustness of titanium with a hardness and scratch-resistance similar to that of ceramic. Another characteristic of Ceratanium®, which is based on a special titanium alloy and fired at high temperatures in a kiln, is its distinctive, dark and metallic finish. The all-black design of the chronograph is further enhanced with a black dial, black appliques and black hands. The applied Arabic numerals, indices and quarter-second scale are discreet elevations against the background of the black dial. A black rubber strap with a square pattern complements the monolithic look of this watch.

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CHRONOGRAPH MOVEMENT

 and scratch-resistance similar to that of ceramic. Another characteristic of Ceratanium®, which is based on a special titanium alloy and fired at high temperatures in a kiln, is its distinctive, dark and metallic finish. The all-black design of the chronograph is further enhanced with a black dial, black appliques and black hands. The applied Arabic numerals, indices and quarter-second scale are discreet elevations against the background of the black dial. A black rubber strap with a square pattern complements the monolithic look of this watch.

Movement:
IWC-manufactured calibre: 69355 
Frequency: 28,800 vph / 4 Hz 
Jewels: 27 
Power reserve: 46 h 
Winding: Automatic

Watch:
Materials: Ceratanium® case, black dial, black hands and appliques, black rubber strap with Ceratanium® pin buckle 
Glass:  Sapphire, convex, antireflective coating on both sides 
Water-resistant: 3 bar 
Diameter: 41 mm 
Height: 13.1 mm