Hamilton Khaki Field Expedition Auto

The Hamilton Khaki Field Expedition Auto, reference H70315930, has a steel case measuring 41 mm across, water resistant to 100 metres. A sapphire crystal covers its black sandblasted dial with central seconds. With a screw-down crown and see-through back, the case is 11.5 mm thick on a textile strap with 20 mm lugs and a pin buckle. The H-10 is self-winding, with an 80-hour power reserve and a Nivachron balance spring.