IWC Schaffhausen Big Pilot's Watch Perpetual Calendar

IWC Schaffhausen presents the Big Pilot's Watch Perpetual Calendar IW503605, a steel-cased pilot's watch measuring 46.2 mm. The case stands 15.4 mm thick, with a screw-down crown and a blue dial. Rated to 60 metres, the case houses an IWC-manufactured automatic calibre 52616 offering a power reserve of 168 hours. The convex sapphire crystal carries an antireflective coating on both sides. The perpetual calendar shows date, weekday, month and year, alongside a moon phase display and a power reserve indicator. Small seconds also appear on the dial. A display back reveals the movement. The strap is blue calf leather.