The Jazzmaster Open Heart 40 mm, with its white openwork dial, is all about precision while revealing the refined beauty of the mechanical movement within. Showcasing the H-10 automatic movement, with an 80-hour power reserve and Nivachron™ balance spring, the Jazzmaster Open Heart boasts a sophisticated steel bracelet that embodies Hamilton’s ever-evolving savoir-faire and attention to detail.
The Jazzmaster Open Heart 40 mm, with its white openwork dial, is all about precision while revealing the refined beauty of the mechanical movement within. Showcasing the H-10 automatic movement, with an 80-hour power reserve and Nivachron™ balance spring, the Jazzmaster Open Heart boasts a sophisticated steel bracelet that embodies Hamilton’s ever-evolving savoir-faire and attention to detail.