The Hamilton Jazzmaster Open Heart Auto is a 36 mm watch from the Jazzmaster collection. Its stainless steel case is 10 mm thick, with 18 mm lugs. It is water resistant to 50 m. The crystal is sapphire.

The manufacturer’s list price is US$2,695. It comes in 46 versions, with blue, black, white, silver, green, pink, grey, champagne and beige dials.