IWC Portofino IW391407 watch

case：

stainless steel case
39.0 mm diameter
Thickness 12.7mm
Water resistance 3 bar

movement：

79350 movement
automatic movement
44-hour power reserve
Frequency 28'800 vibrations/hour (4 Hz)
272 Parts
31 gems
C?tes de Genève, C?tes de Genève

features：

Chronograph function for minutes and seconds
Double-sided anti-reflective convex sapphire glass
Small seconds with stop mechanism