Compare Polar FS1 Wrist Watch to Polar F4 Heart Rate Monitor (Black Thunder) Watch for Women

The Polar FS1 heart rate monitor features extra large digits and one-button functionality for ease of use. The monitor also boasts an added watch feature that allows you to view the time of day and use stopwatch functions. Less

The Polar F4 Heart Rate Monitor is a light and trim model, designed for active lifestyles. Ideal for women, it's easy to use and provides data for current, average and maximum heart rate. The Polar F4's additional features include an adjustable target zone, ZonePointer function which make sure your workout stays at the right intensity level and has Polar's Owncal functionality. An ideal training partner. Features include: Zone Pointer: visual guidance to target zone. Polar OwnCal???. Fitness Points (every 10 min. in target zone). Display of current heart rate, percentage of maximum heart rate and training time. Storage of previous workout, including date, average and maximum heart rate, time spent in target zone, training time and calories burned. Storage of cumulative training time and calories burned, as well as total number of workouts and average workout frequency. Integrated clock with date, weekday and alarm. UpLink function: transmittion of training settings to pulse watch. Audible and visible alarm . Less