Hamilton Watch Jazzmaster Performer Automatic Chrono Blue H36656140. Made for those who favor function and style at once, the Jazzmaster Performer line offers a powerful sport-chic appearance. Powered by the H-31 automatic chronograph movement with 60 hours power reserve, this Jazzmaster Performer Automatic Chronograph features a 42mm stainless steel case accented by a sleek light blue dial and an assertive stainless steel bracelet.