IWC Portofino Chronograph Watch - 42.0 mm 5N Gold Case - Blue Dial - Black Alligator Strap - IW391035 Mother-Of-Pearl This performance focused timepiece is

This performance focused timepiece is also powered by Quartz Movement

black ceramic device protecting the crown

Case Size 42 mm

power-reserve indication at 2 o'clock

IWC Portofino Chronograph Watch - 42.0 mm 5N Gold Case - Blue Dial - Black Alligator Strap - IW391035 Mother-Of-Pearl This performance focused timepiece is42. 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.