IW510401 Big Pilot’s Heritage Watch 55 in titanium with brown
calfskin strap Front Limited edition of 100 watches ∙ Mechanical movement ∙ Hand-wound ∙ IWC-manufactured 98300 calibre (98000-calibre family) ∙ 46-hour power reserve when fully wound ∙ Small hacking seconds ∙ Soft-iron inner case for protection against magnetic fields ∙ Screw-in crown ∙ Sapphire glass, convex, antireflective coating on both sides ∙ Glass secured
against displacement by drop in air pressure ∙ Water-resistant 6 bar ∙ Case height 13.5 mm ∙ Diameter 55 mm