Samsung Galaxy Watch 3
Quick details
Released
2020-08
Dimensions
45 mm: 45.0 x 46.2 x 11.1 mm; 41 mm: 41.0 x 42.5 x 11.3 mm
Operating system
Tizen Wearable OS 5.5
Display 45 mm: 1.4 inches; 41 mm: 1.2 inches Super AMOLED, full-colour Always On Display
Battery life 45 mm: up to 56 hours; 41 mm: up to 43 hours
Water resistance 5 ATM; IP68; MIL-STD-810G
GPS Yes
Sensors accelerometer, gyroscope, barometer, optical heart rate, electrical heart sensor, SpO2, ambient light, GPS
Technical specifications
General
Release date 2020-08
Product type Smartwatch
Physical size 45 mm: 45.0 x 46.2 x 11.1 mm; 41 mm: 41.0 x 42.5 x 11.3 mm
Weight 45 mm: 53.8 g stainless steel / 43 g titanium; 41 mm: 48.2 g
Material Stainless-steel case; 45 mm titanium variant also offered
Water resistance 5 ATM; IP68; MIL-STD-810G
Color options 45mm version: Mystic Black, Mystic Silver. 41mm version: Mystic Silver, Mystic Bronze
Display type Super AMOLED, full-colour Always On Display
Display size 45 mm: 1.4 inches; 41 mm: 1.2 inches
Display resolution 360 x 360 pixels
Display protection Corning Gorilla Glass DX
Battery Built-in rechargeable battery; 45 mm: 340 mAh; 41 mm: 247 mAh
Battery life 45 mm: up to 56 hours; 41 mm: up to 43 hours
Charging WPC-based wireless charging
Sensors
GNSS type Built-in GNSS
GPS Yes
GALILEO Yes
GLONASS Yes
QZSS No
Beidou Yes
Accelerometer Yes
Gyroscope Yes
Barometric altimeter Yes
Compass No
Geomagnetic No
Ambient light sensor Yes
Optical heart rate Yes
Electrical heart rate Yes
SpO2 Yes
Temperature No
Galvanic skin response No
Microphone Yes
Speakers Yes
Vibration motor Yes
Health & activity tracking
Steps Yes
Distance Yes
Calories burned Yes
Floors Yes
Sports tracking Yes
Sleep Yes
Heart rate Yes
HRV No
Stress Yes
Blood oxygen Yes
Respiration rate No
Skin temperature No
ECG Yes
Blood pressure Yes (Samsung Health Monitor; market-dependent, calibration required)
Body composition No
Glucose No
Hydration level No
UV exposure No
Calorie intake No
Hyperglycemia risk assessment No
Arterial stiffness detection No
Pulse wave arrhythmia analysis No
Daily smart features
Smartphone compatibility Android and iOS (feature availability varies)
Operating system at launch Tizen Wearable OS 5.5
Processor Exynos 9110, dual-core 1.15 GHz
RAM 1 GB
Storage 8 GB
Bluetooth Yes (5.0)
Wi-Fi Yes (802.11 b/g/n, 2.4 GHz)
NFC / connected pay Yes
Cellular Optional LTE/eSIM
Smartphone notifications Yes
Bluetooth calling Yes
Smartphone music control Yes
On-board music storage Yes
Voice assistant Bixby
Links
These technical specs are correct to the best of our knowledge at the time of publishing.
