IWC Portugieser Perpetual Calendar Watch - 44.2 mm White Gold Case - Midnight Blue Dial - Black Alligator Strap - IW503401

44.2 mm 18K white gold case, 14.9 mm thick, see-through sapphire glass back, arched-edge sapphire glass crystal with antireflective coating on both sides, midnight blue dial, calibre 52615 automatic movement with date, day, month, perpetual calendar, year indicator, hours, minutes, small seconds, moonphase, power reserve indicator, approximately 168 hours of power reserve, black alligator leather strap by santoni. Water resistant to 3 bar.