IWC Portofino IW459801 watch

case：

stainless steel case
34.0 mm diameter
8.9 mm thick
Water resistance 5 bar

movement：

35180 movement
automatic movement
50-hour power reserve
Frequency 28'800 vibrations/hour (4 Hz)
24 gems

features：

day and night display
Double-sided anti-reflective convex sapphire glass
Strap quick change system
Central seconds hand with stop device