Hamilton Khaki Aviation Pilot Pioneer Mechanical

The Hamilton Khaki Aviation Pilot Pioneer Mechanical, reference H76419951, has a steel case 33 mm wide and 36 mm long, water resistant to 100 metres. Mineral glass covers a silver dial with central seconds. The 9.95 mm thick case sits on a textile strap with 18 mm lugs and a pin buckle. Hand-wound calibre H-50 keeps an 80-hour power reserve and has a Nivachron balance spring.