Design and options
Display and navigation
Software and features
Battery life
Other specifications
Taptic Engine and built-in speaker combo for instant tactile feedback Apple’s custom S1 system-in-a-package chip Accelerometer Bluetooth 4.0 Siri support
An improved backlight New Cortex M4 processor 6-axis gyroscope Smart accessory port (for plugging in third-party sensors and smart straps) Water resistant and durable Tactile buttons for easy “eyes-free” clicking Silent vibrating alarms and discreet notifications Language and international character support (with Chinese coming soon) Fitness tracking (via third-party apps) such as step tracking with Misfit and Jawbone
