Hamilton Khaki Aviation Pilot Day Date Auto

The Hamilton Khaki Aviation Pilot Day Date Auto, reference H64635560, has a steel case 42 mm across, water resistant to 100 metres. Behind sapphire, the green dial displays enlarged numerals, central seconds and a day-date window. Its case measures 12.1 mm thick and has a see-through back, with 20 mm lugs holding a leather strap with a pin buckle. An automatic winding system serves calibre H-30, which has an 80-hour power reserve and a Nivachron balance spring.