Hamilton Khaki Field Expedition Auto

The Hamilton Khaki Field Expedition Auto, reference H70315910, has a 41 mm steel case water resistant to 100 metres. A textile strap with a pin buckle extends from the case's 20 mm lugs; the 11.5 mm thick construction has a screw-down crown and a see-through back. Self-winding calibre H-10 stores an 80-hour power reserve and uses a Nivachron balance spring. Under sapphire, the white sandblasted dial carries central seconds.