The Jazzmaster Open Heart Auto 42mm invites you to marvel at its inner workings, showcasing precision with a new 42mm dial. Itsgorgeous gradient green effect unveils the subtle allure and displays Hamilton's continual refine m ent and meticulousness. Feastyour eyes on the H-10 automatic movement, boasting an impressive 80 hour power reserve and Nivachron ™ balance spring, complementedby a sophisticated stainless steel bracelet. Explore our range of elegant dress watches.