Hamilton Watch Jazzmaster Performer Auto H36205130.Made for those who favor function and style at once, the Jazzmaster Performer line offers a powerful sport-chic appearance. Powered by the H-10 automatic movement with 80 hours power reserve, this Jazzmaster Performer Automatic features a 38mm stainless steel case accented by an understated blue dial and a matching racing-style perforated blue leather strap.