The Polar F4 is the first women-specific product offering from Polar. It features all of the heart rate necessities with all of the comfort of a smaller woman's sized watch.Look to Overstock.com for the hottest deals on fitness equipment and accessories.Features include:Automatic/manual target heart rate zone with visual and audio alarmOwnCal (tracks calories burned)Zone Pointer (displays current position in target zone)Heart Touch button-free operationAverage heart rate for exerciseFitness bullets every 10 min. in target zoneFull watch functionsStopwatchWater resistant to 30 metersAvailable in Black Amber or Blue Ice Tang buckle