The IWC Pilot Mark XVIII is 40 mm x 11 mm with a soft iron dial and inner case for magnetic resistance. As shown, black dial; sapphire crystal with double antireflective coating which makes for one of the most legible dials on the market, “secured against displacement by drop in air pressure,” water resistance, 6 bar/60 meters. Movement, caliber 30110 (ETA base) adjusted to temperature and five positions by IWC, centre seconds with date, 42-hour power reserve.