Hamilton Khaki Field Expedition Auto

The Hamilton Khaki Field Expedition Auto, reference H70225110, has a 37 mm steel case water resistant to 100 metres, with a screw-down crown. A sandblasted white dial displays central seconds under sapphire crystal. The case measures 11.45 mm thick and has a see-through back, with a steel bracelet and folding clasp at its 20 mm lugs. A Nivachron balance spring regulates self-winding calibre H-10, which keeps an 80-hour power reserve.