IWC Portugieser Perpetual Calendar Watch - 44.2 mm White Gold Case - Slate Dial - Black Alligator Strap - IW503301 87 is graced by White gold

is graced by White gold hands and Index hour markers

grained black calfskin bracelet

40mm Oyster case and bracelet 93150

42 mm carbon fiber with black composites case

seamlessly integrated with a folding crown clasp

IWC Portugieser Perpetual Calendar Watch - 44.2 mm White Gold Case - Slate Dial - Black Alligator Strap - IW503301 87 is graced by White gold44. 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, slate coloured dial, calibre 52610 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.