Hamilton Khaki Field Power Reserve 40mm

The Hamilton Khaki Field Power Reserve 40mm, reference H69509160, has a 40 mm steel case water resistant to 100 metres. Measuring 11.95 mm thick and 48 mm from lug to lug, the case sits on a textile strap with 20 mm lugs and a folding clasp. Sapphire covers the green dial, where central seconds sit alongside the power reserve indicator. Calibre H-23 is hand-wound, with an 80-hour reserve and a Nivachron balance spring.