IWC Portugieser Chronograph - Stainless Steel Case - Silver-Plated Dial - Stainless Steel Bracelet - IW371617 Electric caliber 2500 self-winding movement with

caliber 2500 self-winding movement with chronometer and co-axial escapement movement

black inner bezel with white minute-circle

unidirectional rotating bezel with orange rubber and Liquidmetal diving scale

blue rubber strap and additional yellow rubber strap

IWC Portugieser Chronograph - Stainless Steel Case - Silver-Plated Dial - Stainless Steel Bracelet - IW371617 Electric caliber 2500 self-winding movement with41. 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.