Hamilton Khaki Field Murph Auto

The Hamilton Khaki Field Murph Auto, reference H70605731, has a 42 mm steel case water resistant to 100 metres. The black dial beneath sapphire carries central seconds, with 'Eureka' printed in lacquer as Morse code on the seconds hand. The case has a see-through case back, measures 11 mm thick by 53 mm from lug to lug and sits on a leather strap with a pin buckle at its 22 mm lugs. A Nivachron balance spring regulates self-winding calibre H-10, which keeps an 80-hour power reserve.