The Hamilton Jazzmaster Open Heart Auto H32705160 is a 42mm automatic watch featuring a green gradient dial with an open-heart design, allowing a view of its inner mechanics. It is powered by the H-10 movement, offering an 80-hour power reserve and equipped with a Nivachron™ balance spring. The stainless steel case is complemented by a matching bracelet, and the watch is water-resistant up to 50 meters. Reference number: H32705160.