Timex Ironman R300 GPS
Tech specs 
SizeCase Width: 40.5 mm
Case Height: 11.5 mm
Strap and Lug Width: 24 mm
MaterialCase Material: Resin
Crystal/Lens: Mineral Glass
Strap material: Silicone
ChargingUSB
BatteryRechargeable lithium-ion
Battery lifeup to 25 days in smartwatch mode
With GPS: up to 20h
Water-resistance30 m (3 ATM)
Weight
SensorAccelerometer, optical heart rate sensor, GPS
Display
Screen size
ColorsBlack, charcoal, and grey
OtherPLATFORM: Proprietary
PROCESSOR: N/A
MEMORY: N/A
CONNECTIVITY: Bluetooth Smart
Activity tracking 
StepsYes
DistanceYes
Calories burnedYes
ActivityYes
Floors
SleepYes
Heart rateYes
Stress & recovery
Pulse Ox
Respiration rate
UV exposure
Skin temperature
Galvanic skin response
Hydration level
Calorie intake
GPSYes
Running features
Swimming features
Other
Non-fitness functions 
Smartphone notificationsYes
On-board music storage
Connected pay
LTE
Links 
Affiliate link*Timex
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