Iwc Ceramic Shell Quick Release Head Bead P .IWC Big Pilot's Watch 389410 .This model is the special anniversary edition of the Little Prince in white zirconia ceramic, a large pilot's perpetual calendar watch, newly launched in April. It belongs to IWC's high-end pilot collection.1.- Diameter 41.9mm, featuring the classic large pilot dial suitable for most men's wrist sizes .- Case made of white zirconia ceramic, offering exceptional scratch resistance, lightweight, and a warm texture; paired with a white rubber strap for a sporty waterproof style .- Sapphire crystal glass with anti-reflective coating on the inner side; the case back is made of transparent sapphire glass .- Water-resistant to 60 meters, suitable for everyday hand washing, swimming, and other scenarios .2. Movement features IWC's in-house movement .- Movement model 82665 automatic winding movement, with a ceramic bidirectional winding pawl for nearly zero wear .- Basic parameters of 28,800 beats per hour .Design Highlights & Collectible Points .1. The Little Prince commemorative rotor features an engraving of the Little Prince emblem, a signature detail of this anniversary model .2. The white ceramic design offers high recognition, distinguishing it from traditional steel and precious metal pilots, making it versatile for both formal and casual styles.