Inspired by the Model 23, a state-of-the-art pocket watch used by U.S. soldiers during WWII, the Khaki Aviation Pilot Pioneer's distinctive design honours Hamilton's aviation and military heritage. Featuring ultra-legible numerals, cathedral hands, and a railway track outer scale, this 38mm automatic pilot watch combines sporty flair with refined elegance, ready to take flight. • Powered by the automatic movement with 25 jewels and a power reserve of up to 80 hours. • Presented on a brown leather strap . • Scratch resistant sapphire crystal glass. • 38mm case width. • 100 metre water resistance.