Hamilton Jazzmaster Open Heart Auto

The Hamilton Jazzmaster Open Heart Auto, reference H32215642, has a 36 mm steel case water resistant to 50 metres. A sparkling blue aventurine dial reveals the mechanism beneath a sapphire crystal. The case measures 10 mm thick and 42 mm from lug to lug, with a see-through back, on a calfskin strap with 18 mm lugs and a pin buckle. The H-10 calibre is self-winding, with an 80-hour power reserve and a Nivachron balance spring.