Brand: IWC. Model Name: Big Pilot's. Reference/Model No: IW500401. Case Material: Black Stainless Steel. Movement Type: Automatic. Gender Suitable For: Men. Case Diameter: Approx. 46 mm. Key Features include a nod to aviation history, robust design intended for durability, clear readability optimized for information display, grand presence in terms of size and appearance, notable story element related to aerial adventure themes.