Hamilton Jazzmaster Open Heart Auto

The Hamilton Jazzmaster Open Heart Auto, reference H32675160, has a steel case 40 mm across with water resistance to 50 metres. Self-winding calibre H-10 keeps an 80-hour power reserve and a Nivachron balance spring. The case measures 11.05 mm thick with a see-through back, on a steel bracelet with 20 mm lugs and a folding clasp. Under sapphire, the green smoked dial displays central seconds while cutouts open a view of the movement.