Hamilton Watch Jazzmaster Performer Automatic White H36205110. Made for those who enjoy function and style in equal measure, the Jazzmaster Performer line offers a powerful sport-chic aesthetic. Powered by the H-10 automatic movement with an 80 hour power reserve, the Jazzmaster Performer Automatic features a 38mm stainless steel case, accented by a clean, white sandblasted dial, nickel indexes and a refined stainless steel bracelet.