IWC Portofino Chronograph Watch - 42.0 mm Stainless Steel Case - Silver Dial - Milanaise Mesh Steel Bracelet - IW391028 Diamond Fitted with a self-winding mechanical

Fitted with a self-winding mechanical movement that has a 38-hour power reserve

this graceful style is crafted within a 39 mm polished steel case

black dial is centred within a robust 41mm stainless steel case

Designed for life beneath the waves

Water resistant to 30 bar

IWC Portofino Chronograph Watch - 42.0 mm Stainless Steel Case - Silver Dial - Milanaise Mesh Steel Bracelet - IW391028 Diamond Fitted with a self-winding mechanical42. 0 mm stainless steel case, 13. 6 mm thick, convex sapphire glass crystal with antireflective coating on both sides, silver plated dial, calibre 75320 automatic movement with date, day, chronograph, hours, minutes, small seconds, approximately 44 hours of power reserve, milanaise mesh stainless steel bracelet. Water resistant to 3 bar.