On Windows, you can't really do full 60FPS because of the default timer resolution. I have a fix for this - see this post:
https://groups.google.com/forum/#!searchin/pyglet-users/windows$20timer|sort:date/pyglet-users/uzvUzOODOUk/xVlBK0N-GgAJ -- You received this message because you are subscribed to the Google Groups "pyglet-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to pyglet-users+unsubscr...@googlegroups.com. To post to this group, send email to pyglet-users@googlegroups.com. Visit this group at https://groups.google.com/group/pyglet-users. For more options, visit https://groups.google.com/d/optout.