Hamilton Jazzmaster Performer Auto Chrono 30% OFF !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 black dial and an assertive stainless steel bracelet. Reference H36606130 Caliber H 31 Collection Jazzmaster Movement Automatic Watch Function: