This model Portugieser is the perfect symbol of timeless elegance and one of the most Iconic watches from IWC. Stainless steel case with brushed finished edges & polished finished bezel ring & lugs.See-through sapphire glass back.Black alligator leather strap. Dial: Silver main dial. Silver sub-dials with very fine concentric circular texture pattern. Applied polished blued steel Arabic Numeral & Index hour markers. Fine black printed minute track. Polished blued steel hands. Small-seconds sub-dial located at the 9 o\'clock position, Power reserve indicator sub-dial located at the 3 o\'clock position. Date window at the 6 o\'clock position. 7 days power reserve,Sapphire glass, convex, antireflective coating on both sides.Pellaton automatic winding,Rotor with 18-carat gold medallion. IWC Caliber 52010