Hamilton Jazzmaster Skeleton Auto

The Hamilton Jazzmaster Skeleton Auto, reference H42535810, has a 40 mm steel case and a white cut-out dial beneath sapphire. A green leather strap with a pin buckle sits between the case's 20 mm lugs; the case is 11.05 mm thick and 42 mm from lug to lug. The case is water resistant to 50 metres and has a see-through back. Self-winding calibre H-10-S retains an 80-hour power reserve and regulates with a Nivachron balance spring.