Wristwatch: IWC Big Pilot's Watch Tourbillon Edition. The 46mm atmospheric case is paired with IWC's unique oversized crown. Soaring through the sky embodies the lofty ambitions and fearless spirit of a pilot, representing every man's heroic dream. Fearless in the face of challenges, moving forward courageously. Movement: Automatic mechanical movement. Strap: Imported leather /316 solid stainless steel. Buckle: Original automatic push-button clasp. Crystal: High-hardness mineral crystal glass. Dimensions: 46mm x 14mm.