I’ve used quite a few heart rate monitoring watches in my day. I’ve played with Suuntos and Nikes aplenty, with whosits and whatsits galore. But the RCX5 is different in its utter simplicity. Designed to be worn while swimming, running, or biking, all of the smarts are actually in the optional sensors, leaving the watch itself as basic as a $20 Timex with a few tricks up its sleeve.

The base… → Read More