The 116500 series was first introduced at the 2016 Baselworld Watch Fair
guilloched night blue dial with powdered gold hour markers
rainbow sapphire hour markers
unidirectional rotatable bezel with blue Cerachrom insert and gold coated numerals and graduations
blue alligator strap with square scales
IWC Portugieser Chronograph - Stainless Steel Case - Silver-Plated Dial - Stainless Steel Bracelet - IW371617 400 The 116500 series was first41. 0mm stainless steel case, 13. 0mm thick, see through sapphire glass back, convex sapphire glass crystal with antireflective coating on both sides, silver plated dial, calibre 69355 automatic movement with chronograph, column wheel, hours, minutes, small seconds, approximately 46 hours of power reserve, stainless steel bracelet. Water resistant to 3 bar.