For recreational athletes who require all essential heart rate and timing features. Helps you train at the right intensity with personal sport zones. The Polar Fitness test measures your aerobic fitness at rest and tells you your progress. Displays calories burned. This is a Polar watch with a rectangular, orange case. With a mineral glass and a diameter of 41mm. The watch is digital with a date and a quartz movement. This Polar RS300X has a case in silicone and strap in silicone. It is water resistant to 5ATM/50M. You have a 2 year warranty on this Polar RS300X watch. In the box: Polar RS300X training computer. Polar WearLink+ transmitter. manual.
"It's a single zone watch so if you want a multi-zone Polar watch that records time in zones then you might want to look at a or the Polar RCX3", says Squire.
The Polar smartwatch also employs six LEDs on the bottom of the case for more accurate optical heart-rate monitoring. This compares to the dual LED set-up that most other watches use. I tried it out for myself and the darn heart-rate monitor gave away how anxious I get during briefings. I had no idea my heart beats so fast when I’m on the job!