Inspired by the pioneering spirit of famed aviator and author Antoine De Saint Exupéry, this watch - Big Pilot's Watch Perpetual Calendar Edition "Antione De Saint Exupéry" ref. IW503801 is a tribute to his legacy of exploration and poetic prose. Distinguished by its 46mm stainless steel case, the watch exudes an aura of grandeur and durability. Beneath the convex sapphire crystal lies a captivating tobacco-brown dial, reminiscent of the aviator's rugged leather flying suits. The perpetual calendar feature ensures precision beyond compare, accurately accounting for leap years and differing month lengths—a testament to IWC's commitment to accuracy. Powering this exceptional timepiece is the IWC-manufactured 52610 calibre, an engineering marvel in itself capable of up to 60 meters of water resistance, whilst also having an astounding 168 hours of power reserve. The embodiment of Antoine De Saint Exupéry's spirit is realized in the intricate detailing of the exhibition case back, with the initial "A" engraved on the solid gold rotor. The watch is a symphony of heritage, innovation, and storytelling. It is a timepiece that transcends the ordinary, inviting you to embrace the spirit of aviation and embark on your own journey of timekeeping excellence.