IWC Portofino Hand-Wound Tourbillon Retrograde Watch - 45.0 mm 5N Gold Case - Silver Dial - Dark Brown Alligator Strap - IW516501 Bracelet black composite resin lower bezel

black composite resin lower bezel

85mm stainless steel case

37mm stainless steel case

grey ruthenium-toned external zone

IWC Portofino Hand-Wound Tourbillon Retrograde Watch - 45.0 mm 5N Gold Case - Silver Dial - Dark Brown Alligator Strap - IW516501 Bracelet black composite resin lower bezel45. 0 mm 18K 5N gold case, 14. 1 mm thick, see through sapphire glass back, arched edge sapphire glass crystal with antireflective coating on both sides, silver plated dial, calibre 59900 movement with date, hours, minutes, power reserve indicator, tourbillon escapement, approximately 192 hours of power reserve, dark brown alligator leather strap by santoni. Water resistant to 3 bar.