Garmin Forerunner 25
Tech specs 
SizeBlack/Violet & White/Pink: 35.9 x 43.9 x 13.9 mm; Black/Blue & Black/Red: 40.2 x 47.0 x 13.9 mm
MaterialPlastic with silicon band
Battery lifeSmall: 8 weeks, watch mode; 8 hours in training mode; Large: 10 weeks, watch mode; 10 hours in training mode
Water-resistance5 ATM
WeightSmall: 31 grams; Large: 39 grams
SensorAccelerometer, GPS
Display128 x 128 pixels
Screen sizeBlack/Violet & White/Pink: 18.5 x 18.5 mm; Black/Blue & Red/Black: 23.0 x 23.0 mm
ColorsBlack/Violet & White/Pink, Black/Blue & Red/Black
OtherPLATFORM: Proprietary OS
MEMORY: 7 activities
CONNECTIVITY: Bluetooth Smart, Ant+, Wi-Fi
Activity tracking 
Calories burnedYes
Heart rate
Stress & recovery
Pulse Ox
Respiration rate
UV exposure
Skin temperature
Galvanic skin response
Hydration level
Calorie intake
Running featuresVirtual pacer, calculates distance for indoor workouts, personal records
Swimming features
Other - History: 7 activities
Non-fitness functions 
Smartphone notificationsYes
On-board music storage
Connected pay
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