Garmin Forerunner 735XT
Tech specs 
Size44.5 x 44.5 x 11.9 mm
MaterialPlastic with silicon band
Battery life16 Hours training, 4 weeks watch + AT + notifications
Water-resistance5 ATM
Weight40 grams
SensorAccelerometer, optical heart rate sensor, GPS
Displaycolor - 215 x 180 pixels
Screen size31.1 mm diameter
ColorsBlack/Gray, Midnight/Frost Blue
OtherPLATFORM: Proprietary OS
MEMORY: 80 hours of activity data
CONNECTIVITY: Bluetooth Smart, Ant+, Wi-Fi
Activity tracking 
Heart rate24/7
Stress & recovery
UV exposure
Skin temperature
Galvanic skin response
GPSGPS and GLONASS enabled
Running featuresVO2 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
Smartphone notificationsYes
Other - Multi sport
- Features physiological measurements (stress score, performance condition and lactate threshold)
- Music control, Fine my phone
- Remembers 80 hours of activity data
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