When timing is the key to success, it's important to have a timepiece that you can rely on for precision - and that looks the part. Whether on the wrist of a conductor, a musician or an appreciative listener, the Jazzmaster Maestro Auto Chrono always strikes the perfect tone.
The H-21 is a powerful automatic chronograph movement featuring an extended 60-hour power reserve, making it perfect for the demands of the sportiest of models. With an H pattern design on the oscillating bridge, there’s no mistaking who made this movement.
Hamilton watches are innovative, iconic and known for American Spirit and Swiss Precision. We are known for the highest performance standards and Swiss made movements. We create automatic, mechanical and quartz watches, men’s and women’s watches. With a reputation for craftsmanship and strong movie, military and aviation heritage, our watches include the Khaki Field, Khaki Aviation, Khaki Navy, Ventura and Jazzmaster