IWC Portofino Chronograph Watch - 42.0 mm Stainless Steel Case - Black Dial - Black Alligator Strap - IW391029 Transatlantique this timepiece is a harmonious

this timepiece is a harmonious blend of tradition and innovation

silver dial with applied indexes

openwork satin-brushed grid with sun ray finish

slate grey sunburst dial with gold applied hour markers with luminescent coating

IWC Portofino Chronograph Watch - 42.0 mm Stainless Steel Case - Black Dial - Black Alligator Strap - IW391029 Transatlantique this timepiece is a harmonious42. 0 mm stainless steel case, 13. 6 mm thick, convex sapphire glass crystal with antireflective coating on both sides, black 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.