ASICS FrontRunner Jani du Toit gives us some pointers on how to keep your running watch from getting grimy. (Those wrist computers work hard! They need some love too). 

Jani uses the Polar M430 watch, which is waterproof, most of these types of devices are nowadays but make sure of manufacturer's spec on your own, before you 'dive' in to the cleaning process.

What you need:

How to do it:

Read Jani's full blog, here.