IWC Portugieser Perpetual Calendar Limited Edition of 250 Watch - 44.2 mm Platinum Case - Silver Dial - Black Alligator Strap - IW503406 IW357401 stands as a symbol of

stands as a symbol of the brand's mastery in horology and design

screw-down crown and push buttons with Triplock triple waterproofness

37 mm 18K red gold case set with 66 diamonds

Tahiti domed mother-of-pearl dial which is decorated with a date window at 6 o'clock

scratch-resistant sapphire crystal with anti-reflective treatment on both sides

IWC Portugieser Perpetual Calendar Limited Edition of 250 Watch - 44.2 mm Platinum Case - Silver Dial - Black Alligator Strap - IW503406 IW357401 stands as a symbol of44. 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.