Garmin Forerunner 405 ANT S Black GPS Enabled Spor GARMIN Forerunner 405 ANT S Black GPS Enabled Sports Watch HRM. Garmin International is pleased to announce the new Forerunner 405 GPS enabled sports watch. This sleek sports watch tells you how far, how fast and when you are in your heart rate zone. The Forerunner 405 can be used indoors or out, when you are outdoors you can use the built in high sensitivity GPS receiver for your training, plus with the new touch bezel you can scroll through menus on the run. While indoors you will be able to use the ANT plus Sport wireless technology to connect to an optional foot pod to measure speed and distance when indoors. Users can upload data to Garmin Connect a new web based application which lets users analyze data with interactive graphs that chart their pace, time, distance and heart rate. The Forerunner 405 will be offered in two different colors black or green.