IWC Portofino Chronograph Watch - 42.0 mm 5N Gold Case - Blue Dial - Black Alligator Strap - IW391035 Blue-Grey 40mm 18K rhodium-finish white gold

40mm 18K rhodium-finish white gold case brilliant-cut diamonds

blue counters

satin-brushed black openworked dial with black counters and white gold hands

black water resistant leather strap with rubber lining

heptagonal crown set with a synthetic spinel cabochon

IWC Portofino Chronograph Watch - 42.0 mm 5N Gold Case - Blue Dial - Black Alligator Strap - IW391035 Blue-Grey 40mm 18K rhodium-finish white gold42. 0 mm 18K 5N gold 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.