http://www.amazon.com/dp/B00L4HRAOW/ref=pe_385040_128020140_TE_3p_dp_1

Here's the link. It says its for 360, but you have to shave down some of the rubber in order for it to fit in the hole of the watch. It's a pain but once you get it in its good, I've been using it for a couple months now.