This model Portugieser is the perfect symbol of timeless elegance and one of the most Iconic watches from IWC. Stainless steel case with fine brushed finished edges & polished finished slim bezel ring & lugs.Blue croco leather strap.44 hours Power Reserve.Sapphire glass, convex, antireflective coating on both sides. Silvered dial with recessed metallic silvered sub-dials & raised metallic silver flange on the perimeter of the dial with black printed seconds & fractions of a second index track. Applied polished blued steel Arabic Numeral hour markers & dot minute markers. Elegant leaf shaped blued steel hands. Chronograph or Stopwatch function: Large Central seconds hand counter. 30 minute counter sub-dial located at the 12 o'clock position. Small running seconds sub-dial at the 6 o'clock position. IWC calibre 79350. Ref. 371446