IWC Portofino Chronograph Watch - 42.0 mm Stainless Steel Case - Blue Dial - Black Alligator Strap - IW391036 5227G010 Caliber Omega 8520 self winding

Caliber Omega 8520 self winding movement with co-axial escapement

octagonal crown crown set with a brilliant-cut diamond

thermocompensated SuperQuartz electronic Breilting 76 movement with chrongraph

black lacquered dial is produced with dramatic effect

Caliber Omega 2500 self winding movement with rhodium-plated finish

IWC Portofino Chronograph Watch - 42.0 mm Stainless Steel Case - Blue Dial - Black Alligator Strap - IW391036 5227G010 Caliber Omega 8520 self winding42. 0 mm stainless steel case, 13. 6 mm thick, convex sapphire glass crystal with antireflective coating on both sides, blue dial, calibre 75320 automatic movement with date, day, chronograph, hours, minutes, small seconds, approximately 44 hours of power reserve, black alligator leather strap. Water resistant to 3 bar.