General
silicone
Width: 18.5 mmThickness: 9.8 mmRegular: Length (197mm), Circumference (122-188mm)Large: Length (223mm), Circumference (148-215mm)
Small/medium: 20.4 gLarge: 21.5 g
Clock Features
Sensors
Daily Smart Features
Activity Tracking Features
Training, Planning and Analysis Features
Heart Rate Features