Pre-owned IWC Big Pilot perpetual calendar chronograph with moonphase and day-date display in a 46mm stainless steel case. Features an automatic movement, screw-down crown, round Arabic dial with baton hands, leather strap equipped with pin buckle fastening, includes original box, papers, CHRONEXT certificate, guaranteeing authenticity through inspection by certified watchmakers, covered by the CHRONEXT two-year warranty if repairs are needed, and purchased as part of a conscious initiative reducing environmental impact.