IWC Portofino Chronograph 39 Watch - Stainless Steel Case - Black Dial - Dark Brown Alligator Leather Strap - IW391404 Unique calibre 79320 automatic movement with

calibre 79320 automatic movement with date and day display

convex sapphire glass crystal with antireflective coating on both sides

offering impeccable legibility

it seamlessly transitions from the deck to upscale gatherings

36 mm 18K rose gold case set with 54 brilliant-cut diamonds

IWC Portofino Chronograph 39 Watch - Stainless Steel Case - Black Dial - Dark Brown Alligator Leather Strap - IW391404 Unique calibre 79320 automatic movement with39. 0 mm stainless steel case, 12. 7 mm thick, convex sapphire glass crystal with antireflective coating on both sides, black dial, calibre 79350 automatic movement with chronograph, hours, minutes, approximately 44 hours of power reserve, dark brown alligator leather strap. Water resistant to 3 bar.