We want to get our good friend a 'fitness watch'. Something that can monitor his heart rate. He's not allowed to go above a certain point but wants to be able to get back to working out.

Any suggestions?

Probably around the $75 range. Will go up to $100 if it's amaze balls.

ETA: maybe one that you can set a limit and if you reach that the watch will beep to alert you??

Thanks!