Portugieser Chronograph Ceratanium IW371631

A creative reimagining of a timeless classic, the Portugieser Chronograph Ceratanium® marks the first appearance of this distinctively dark and stealthy material in the Portugieser collection. The all-black, monolithic design is enhanced with a black dial, black appliqués, black hands and a black textured rubber strap.

Dial

Black

CASE

Ceratanium

Diameter 41.0 mm

See-through sapphire glass back

Water resistance 3.0 bar

MOVEMENT

Calibre 69355

IWC-manufactured movement

Automatic, self-winding

46 hours Power Reserve

Frequency 28'800 VPH (4 Hz)

205 Components

27 Jewels

Côtes de Genève

FEATURES

Small hacking seconds

Sapphire glass, convex, antireflective coating on both sides

Chronograph function with minutes and seconds

Strap 

Black rubber strap