Hamilton Watch Khaki Aviation Pilot Chrono Red Bull Air Race H76712751. Accompanying our trailblazing quartet on the 2018 circuit will be the new Khaki Pilot Air Race Chrono Quartz. The sporty quartz chronograph comes with a choice of stylish leather strap or metal bracelet, a 44mm stainless steel case and a gray and blue dial with 60 second, 30 minute and 12 hour counters. There is also a special case back engraving with the official Red Bull Air Race logo. With subtle red and blue details and a checkered flag at 12 o clock, its a perfect mix of aviation style and Swiss made precision.