IWC Portugieser Chronograph Watch - 41.0 mm Stainless Steel Case - Black Dial - Black Alligator Strap - IW371609 36mm 39mm 18K white gold case

39mm 18K white gold case

Caliber: RM52-05

day and month

black gradated dial with diamond hour markers

31mm 18K pink gold case

IWC Portugieser Chronograph Watch - 41.0 mm Stainless Steel Case - Black Dial - Black Alligator Strap - IW371609 36mm 39mm 18K white gold case41. 0 mm stainless steel case, 13. 0 mm thick, see through sapphire glass back, convex sapphire glass crystal with antireflective coating on both sides, black dial, calibre 69355 automatic movement with chronograph, column wheel, hours, minutes, small seconds, approximately 46 hours of power reserve, black alligator leather strap. Water resistant to 3 bar.