Key Features
14-Day Battery Life1
Personalized Watch Faces2
15 Goal-Based Fitness Modes
Display
1.39-inch AMOLED touchscreen
454 x 454 resolution at 326
PPIPersonalized Watch Faces2

Dimensions
Height : 45.9mm
Width : 45.9mm
Weight : 41g
Fitness and Health Features
Fitness Monitoring
GPS and GLONASS tracking system
15 goal-based fitness modes
13 different running courses
Real-time VoiceOver guidance3
5ATM water resistance
Health Monitoring
Heart-rate Monitor
Sleep Monitor
Stress Monitor4
Series of Smart Features
Bluetooth call (only available on 46mm version)
Stores and plays up to 500 songs5