Crafted for true aviation lovers, the Khaki Aviation Pilot Day Date evokes the spirit of exploration and adventure of the Khaki. Powered by the H-30 automatic movement with an 80-hour power reserve and Nivachron™ balance spring, this model features a day-date window and enlarged numbers on the dial for greater legibility. The Khaki Aviation Day Date 42mm sits on a cool, stainless-steel bracelet, paired with a rich blue dial, conjuring the possibilities of clear, open skies. KHAKI AVIATION PILOTBuilt for everyday adventures, inspired by the sky.ADVENTURE MEETS ACCURACYHamilton continues its 100-year tradition of taking aviation watches to new heights for professional pilots, aeronautics enthusiasts and adventurers.SELF-WINDINGWrist movements cause the inner rotor to swing, transferring energy to the mainspring, and powering your timepiece.SUPER-LUMINOVA®Super-LumiNova is a type of luminescent material applied to hands, dials and bezels to make them visible in the dark.STAINLESS STEEL CASETitanium watches are lightweight, stronger than stainless steel and durable.SAPPHIRE CRYSTALSynthetic sapphire crystal is a tough scratch-resistant material, only diamonds could leave a mark.NIVACHRON™ BALANCE SPRINGNivachron™ is an alloy used to produce balance spring to resist magnetic fields and improve accuracy. It reduces the effects of magnets, temperature, and shocks.H-30 CALIBERA three-hand automatic movement with a day-date function boasting a superior power reserve of 80 hours.WATER RESISTANCEYour timepiece is resistant up to 10 bar (100m) / 145 psi (328 ft).