Brand New Authentic Hamilton Khaki Aviation Pilot Day Date Auto Black Dial Steel Men's Watch Model H64615135. Stainless Steel case with Stainless Steel watch band. Folding clasp. Fixed bezel. Black dial. Automatic Day Date movement. Powered by H-40 engine with 80 hours power reserve. Watch functions: Power Reserve. Push In crown. Scratch Resistant Sapphire crystal. Case size: 42mm. Transparent case back. 100 Meters - 330 Feet water resistant. 2 year WatchMaxx warranty. Let’s talk about a watch that means business. Some watches look great in a display case... but others? They’re meant to be worn and put to work. The Hamilton Khaki Aviation Pilot Day Date Auto falls into that second category. It’s all about being practical and dependable without any extra fuss. Honestly, it’s the kind of watch that makes its point quietly—like something Keanu Reeves’ character in John Wick would wear.