Garmin Fenix 3
Tech specs 
Size51.0 x 51.0 x 16.0 mm
MaterialPlastic with silicon band. Also comes in various Sapphire versions.
ChargingYes
Battery300mAh lithium-ion
Battery lifeUp to 50 hours in UltraTrac mode; up to 20 hours in GPS training mode; up to 6 weeks in watch mode
Water-resistance10 ATM
Weight82 grams
SensorAccelerometer, barometric altimeter, electronic compass, GPS
Display205 x 148 pixels; transflective MIP color
Screen size30.4 mm diameter
ColorsGray, Silver - with various color bands.
OtherPLATFORM: Proprietary OS
PROCESSOR: Single Core Processor
MEMORY: 32 MB
CONNECTIVITY: Bluetooth Smart, ANT+, Wi-Fi
Activity tracking 
StepsYes
DistanceYes
Calories burnedYes
ActivityYes
FloorsYes
SleepYes
Heart rate
Vo2MaxYes
Stress & recovery
UV exposure
Skin temperature
Galvanic skin response
Hydration level
Calorie intake
GPSGPS and GLONASS enabled
Running featuresvirtual pacer, VO2 max estimate, recovery advisor, race predictor, running dynamics, calculates distance for indoor workouts, personal records, virtual partner/racer
Swimming featureslengths, distance, pace, stroke count/rate, calories; stroke type identification; open water swim metrics; swim workouts
Other - Multi sport
- Music control, find my phone
- Features physiological measurements (stress score, performance condition and lactate threshold)
- Remembers 100 hours of activity data
- built in memory: 32 MB; available 23 MB
- hunt/fish calendar, sun moon information, area calculation
- ski features
- rowing
Non-fitness functions 
Smartphone notificationsYes
On-board music storage
Connected pay
Links 
Affiliate link*Amazon | Garmin
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