Running is more than just exercise, it’s a performance. And Forerunner 645 Music has the tools to help you put on the perfect show every time you lace up your shoes. It features on-device music storage, so you can run with your favourite tunes. And contactless payments let you buy what you need without missing a beat. With all that plus advanced running dynamics and performance monitoring tools, this GPS running watch is the instrument you need perfect the act.