Hamilton Jazzmaster Open Heart Auto 42mm

The Hamilton Jazzmaster Open Heart Auto 42mm, reference H32705140, has a 42 mm steel case water resistant to 50 metres. The blue dial sparkles beneath sapphire and reveals part of the mechanism. A see-through back and 22 mm lugs define the 11.44 mm-thick case, measuring 50 mm from lug to lug on a steel bracelet with a folding clasp. With a Nivachron balance spring, self-winding calibre H-10 maintains an 80-hour power reserve.