IWC Portugieser Chronograph Watch - 41.0 mm Stainless Steel Case - Silver Dial - Blue Alligator Strap - IW371605 950 caliber 324 S QA LU

caliber 324 S QA LU 24H self-winding movement with annual calendar

unidirectional rotatable 18K yellow gold bezel with black Cerachrom insert and gold coated numerals and graduations

sapphire back

95 mm thick

IWC Portugieser Chronograph Watch - 41.0 mm Stainless Steel Case - Silver Dial - Blue Alligator Strap - IW371605 950 caliber 324 S QA LU41. 0 mm stainless steel case, 13. 0 mm 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, blue alligator leather strap. Water resistant to 3 bar.