The IWC Pilot ref: IW503604 features a 46mm black Ceratanium case, offering a unique blend of durability and lightweight design. This automatic winding timepiece is powered by the IWC caliber 52615, introduced in 2021. It includes a perpetual calendar function, displaying the date, month, year, and moonphase, along with a power reserve indicator. Limited to just 150 pieces, this model combines advanced functionality with a distinctive aesthetic, making it a noteworthy addition to any collection.