Hamilton Mod. H64635560 Official Box Product Description: The Hamilton Khaki Aviation Pilot Day Date Auto (model number H64635560) is a robust timepiece inspired by aviation heritage, offering durability and precision. Its classic design and reliable movement make it suitable for daily wear and adventurous endeavorsKey Features: Movement: Automatic H-30 caliber with an 80-hour power reserve and Nivachron? balance spring. Case: 42mm stainless steel with a thickness of 12.1mm. ? Crystal: Scratch-resistant sapphire Dial: Green with enlarged Arabic numeral hour markers; features a day-date window for enhanced functionality. ?Strap: Brown leather strap with a 20mm lug width Water Resistance: Up to 100 meters (10 bar). ? SpecificationValuePackagingOfficial Box