IWC Style No: IW503703 IWC Portugieser Perpetual Calendar 44 Watch - 18K White Gold Case - Horizon Blue Dial - Light Blue Calfskin Strap

44.4 mm 18K white gold case, 14.9 mm thick, see-through sapphire glass back, antireflective coating on both sides double box-glass sapphire crystal, horizon blue dial, calibre 52616 automatic winding movement with date, day, month, perpetual calendar, year indicator, hours, minutes, small seconds, moonphase, power reserve indicator, light blue calfskin strap by santoni. Water resistant to 5.0 bar.