Hamilton Jazzmaster Open Heart Auto

The Hamilton Jazzmaster Open Heart Auto, reference H32565735, has a 40 mm steel case with a see-through back. Calibre H-10 winds automatically and stores an 80-hour power reserve. A sapphire crystal covers the black dial, with central seconds and an opening onto the movement. The case is 10.8 mm thick and water resistant to 50 metres, on a calfskin strap with 20 mm lugs and a pin buckle.