Hamilton Jazzmaster Open Heart Auto

The Hamilton Jazzmaster Open Heart Auto, reference H32215130, has a 36 mm steel case with a see-through back. A black dial beneath sapphire carries central seconds, with a cut-out revealing the movement. The 10 mm-thick case is water resistant to 50 metres and measures 42 mm from lug to lug, on a steel bracelet with 18 mm lugs and a butterfly clasp. An 80-hour power reserve is held by the self-winding H-10 calibre.