Garmin Fenix 5/5S/5X Plus
Tech specs 
Size5 plus: 47 x 47 x 15.8 mm
5s plus: 42 x 42 x 15.4 mm
5x plus: 51 x 51 x 17.5 mm
MaterialBezel Material - steel. 5 Plus and 5X Plus also come in Titanium.
Case material - fiber-reinforced polymer with metal rear cover.
Strap material - silicone, leather or titanium.
ChargingUSB
BatteryLithium-ion
Battery life5 Plus: Smartwatch: Up to 12 days; GPS: Up to 18 hours; GPS and Music: Up to 8 hours
5S Plus: Smartwatch: Up to 7 days; GPS: Up to 11 hours; GPS and Music: Up to 4.5 hours
5X Plus: Smartwatch: Up to 20 days; GPS: Up to 32 hours; GPS and Music: Up to 13 hours
Water-resistance10 ATM
Weight5S Plus: 65g
5 Plus: 86g
5X Plus: 96g
SensorAccelerometer, optical heart rate sensor, barometric altimeter, electronic compass, GPS, GLONASS. 5X version also comes with blood oxygen saturation sensor.
Display240 x 240 pixels; sunlight-visible, always-on, low power, colorful display
Screen size5 Plus: 1.2” (30.4 mm) diameter
5S Plus: 1.2” (30.4 mm) diameter
5X Plus: 1.2” (30.4 mm) diameter
ColorsComes with interchangeable bands in various colors.
OtherPLATFORM: Proprietory
PROCESSOR: N/A
MEMORY: 16GB
CONNECTIVITY: Bluetooth, WiFi
Activity tracking 
StepsYes
DistanceYes
Calories burnedYes
ActivityYes
FloorsYes
SleepYes
Heart rate24/7
Vo2MaxYes
Stress & recoveryYes
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 - blood oxygen saturation on 5X Plus
- Multi sport
- Music control, find my phone
- Features physiological measurements (stress score, performance condition and lactate threshold)
- Remembers 200 hours of activity data
- built in memory: 64 MB; available 54 MB
- hunt/fish calendar, sun moon information, area calculation
- Pre-installed TopoActive Europe maps
- many other features...
Non-fitness functions 
Smartphone notificationsYes. The ability to directly reply to messages with predefined texts
On-board music storage4GB, enough for 500 songs
Connected payYes
Links 
Affiliate link*Amazon | Garmin
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