IWC Portofino IW391030 

Model Name Portofino Chronograph
Ref NoIW391030
SizeMen's
Case Diameter 42mm
Index bar
BeltBracelet
Color Black
dial
Material SS
bezel
Movement Automatic
Specifications / Notes
Water resistant to 30 meters Power reserve approx. 44 hours
This watch is equipped with a Milanese bracelet (mesh bracelet) that gives a classic impression.