IWC Portugieser IW371446 watch (Portuguese blue needle)

case:

stainless steel case
40.9mm diameter
Thickness 12.5mm
Water resistance 3 bar

movement:

79350 movement
automatic movement
44-hour power reserve
Vibration frequency 28800.0 times/hour (4.0 Hz)
272 Parts
31 gems
Côtes de Genève, Côtes de Genève

features：

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

dial：
silver

strap：

Blue alligator strap
Band width 20.0mm