IWC Portugieser Annual Calendar Watch - 44.2 mm Red Gold Case - Silver Dial - Black Alligator Strap - IW503504 IW459008 a mechanical chronograph powered by

a mechanical chronograph powered by self-winding technology

sun-brushed black dial dial with luminous hour markers and dots

brown nubuck strap

night blue embossed dial gradiated to black around the edges

IWC Portugieser Annual Calendar Watch - 44.2 mm Red Gold Case - Silver Dial - Black Alligator Strap - IW503504 IW459008 a mechanical chronograph powered by44. 2 mm 18K red gold case, 15. 3 mm thick, sapphire back, sapphire crystal with arched edge, antireflective coating on both sides, silver plated dial, caliber 52850 pellaton automatic winding movement with power reserve display, annual calendar with displays for the date, day and month, small hacking seconds at 9 oclock, approximately 7 day of power reserve, black alligator leather strap. Water resistant to 3 bar.