Hamilton Jazzmaster Skeleton Auto

The Hamilton Jazzmaster Skeleton Auto, reference H42535160, has a 40 mm steel case with a see-through back. Calibre H-10 is self-winding, with a Nivachron balance spring and an 80-hour power reserve. The 11.05 mm-thick case measures 42 mm from lug to lug and is water resistant to 50 metres, on a steel bracelet with 20 mm lugs and a folding clasp. A sapphire crystal covers the green open-worked dial, through which the mechanism is visible.