Hamilton H64615135 Khaki Aviation Pilot Day Date AutoProduct Overview Inspired by the pioneering spirit of early 20th century aviators, Hamilton has recreated the aviation watches of that era using modern materials such as stainless steel and sapphire crystal. This new timepiece features a 42mm case that harmonizes perfectly with an automatic movement. It appeared in the film "Interstellar" (2014), worn by Matthew McConaughey's character, Cooper. Specifications Product Number H64615135 Caliber H 40