The five distance Putt Zones are measured in metres, yards or feet and can be modified and retained in your personally created Report Thresholds in Player Profile.
Standard On the Green putting distance zones are:
When the ball is On the Green, watchMynumbers records the number of putts it took to get into a closer putting distance zone, or how many putts it took to get the ball into the hole from the departure zone. The colour shown in the On the Green section of a scorecard reflects the relative success of your putts on each hole.