IWC Portugieser Perpetual Calendar Limited Edition of 250 Watch - 44.2 mm Platinum Case - Silver Dial - Black Alligator Strap - IW503406

44.2 mm platinum case, 14.9 mm thick, see-through sapphire glass back, arched-edge sapphire glass crystal with antireflective coating on both sides, silver-plated 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.