black Inner bezel
light to dark blue gradient (3
it ensures a tailored fit and effortless wear
and timeless elegance
# 81180/000R-B518 is not just a watch
IWC Big Pilot’s Watch Perpetual Calendar - Stainless Steel Case - Blue Dial - Blue Calfskin Strap - IW503605 Mercury black Inner bezel46. 2mm stainless steel case, 15. 4mm thick, see through sapphire glass back, screw in crown, convex sapphire glass crystal with antireflective coating on both sides, blue dial with luminescence, 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, blue calfskin strap. Water resistant to 6 bar.