IWC Style No: IW545901 IWC Portugieser Hand-Wound Tourbillon Day & Night Watch - 18K Armor Gold Case - Black Dial - Black Alligator Leather Strap

42.4 mm 18K armor gold case, 10.8 mm thick, see-through sapphire glass back, convex sapphire glass crystal with antireflective coating on both sides, black dial, calibre 81925 manual-winding movement with date, day, chronograph, rattrapante, hours, minutes, small seconds, black alligator leather strap by santoni. Water resistant to 6.0 bar.