As the Official Timekeeper of the Red Bull Air Race, Hamilton is proud to present the Khaki Air Race special edition. The Team Hamilton version in black and orange, the colors of Nicolas Ivanoff´s plane, and the Official Timekeeper model in blue, gray and red is a tribute to the colors of the Red Bull Air Race. Each model is available with leather strap or metal bracelet, and 38 mm or 42 mm case. Steel, Sapphire, Width of the handles 20 mm, Automatic, 42 mm,Water resistance 5 bars (50 m) / 73 psi (164 feet).