Suunto Spartan Trainer Wrist HR
Tech specs 
Size46 x 46 x 15.7 mm
MaterialVaries depending on model
Battery lifeBattery life up to 10h with best GPS accuracy (up to 30h with power saving options)
14 days battery life in time mode
Water-resistance50 metres (5 ATM)
Weight56 grams (66 grams with metal bezel)
SensorAccelerometer, altimeter, GPS, optical heart rate sensor
Displaymatrix, 218 x 218 resolution
Screen size46mm
ColorsComes in five distinctive models: Gold and Steel boast an elegant, urban feel with prominent stainless steel elements, while Ocean, Blue and Black offer a fresh, sporty look.
OtherPLATFORM: Proprietary
Activity tracking 
Calories burnedYes
Heart rateYes
Stress & recovery
Pulse Ox
Respiration rate
UV exposure
Skin temperature
Galvanic skin response
Hydration level
Calorie intake
Running featuresRunning pace, Suunto FusedSpeed™, running power with Stryd sensor, foot POD calibration
automatic, lap comparisons on watch and in Suunto, average, max, lap pace in real time
Interval guidance with running pace/heart rate/distance
Swimming featuresPool swim pace and distance, openwater swim pace and distance, records heart rate in swimming
yes, from wrist or with Suunto Smart Sensor, swimming time by pool length, lap, total, swimming stroke rate, count and type, stroke efficiency (SWOLF), automatic intervals, interval lap table, lap table for swimming analysis with stroke and pace in Suunto, interval guidance with swim pace/duration/distance training support
Non-fitness functions 
Smartphone notificationsCalls, text and calendar notifications
On-board music storage
Connected pay
Affiliate link*Amazon
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