Check out the recently announced the Polar M600 GPS Smartwatch Activity Monitor with Strapless Heart Rate, but how does it compare to the Tom Tom Spark GPS? We have created a quick compare chart for your benefit.

Specs	Polar M600	Tom Tom Spark GPS
Battery Life	Up to 2 days or 10 h of training w GPS	Activity tracking: 3 weeks GPS: 11 h, GPS+Heart Rate+Music: 5 hours
Sensors	Ambient light sensor, Accelometer, gyroscope, OHR, GPS, Glonass, vibration motor	GPS, GLONASS, accelerometer gyro, compass, optical heart rate monitor, vibration motor
Water Proof	Waterproof for swimming (IPX8)	Waterproof for swimming
OS	Android Wear, Google Play Apps	Android and iOS App
Connectivity	Wi-Fi, BT, BLE	BLE
Display	TFT Display 1,30", resolution 240 x 240, Corning Gorilla 3	22x25 mm black and white LCD
Activity/ Sport Features	Strapless Heart Rate, Activity tracking (goal, guidance, benefit, steps), sleep, training benefit, training load/recovery, event training program customizable training views, sport profiles, and training guidance, running index, calories burned, distance traveled.	Count steps, active minutes and calories through your day. It will also track sleep time. The TomTom will track running and cycling, as well as swimming, treadmill, gym workouts, indoor cycling (with a cadence sensor) and open training. Guided interval training. Goal setting audio performance feedback
Features	3rd party Apps via Google Play	Music playback locally on wrist unit, storage for 500 songs. No support for notifications
Design	Designed for sports with dedicated Polar button for easier usability, 24/7 usage. Changeable wristbands	LCD monochrome screen. There is a backlight, obscurely summoned by placing your hand over the display. → not a 24/7 design. The Spark isn't touchscreen and all control is done by a four-way button under the screen
MSRP	$329.95	$246.95 +
Warranty	2 Year	1 Year