- 44mm case (Band fits 145-220mm wrists)
- 977 sq mm display area
- 10.7mm thin
- 64-bit dual-core S4 processor (Up to 2x faster than S3 processor)
- Electrical heart sensor
- Second-generation optical heart sensor
- Fall detection
- Digital Crown with haptic feedback
- Improved accelerometer up to 32 g-forces
- All ceramic and sapphire crystal back
Not just evolved, transformed.
The largest Apple Watch display yet. New electrical heart sensor. Re-engineered Digital Crown with haptic feedback. Entirely familiar, yet completely new, Apple Watch Series 4 resets the standard for what a watch can be.
Proactive Health Monitor
Part guardian, part guru.
Low and high heart rate notifications. Fall detection and Emergency SOS. New Breathe watch faces. It’s designed to improve your health every day and powerful enough to help protect it.
Ultimate Workout Partner
Workouts that work harder.
Automatic workout detection. New yoga and hiking workouts. Advanced features for runners like cadence and pace alerts. See up to five metrics at a glance as you precisely track all your favorite ways to train.
Comprehensive Activity Tracker
Made to motivate.
New head-to-head competitions. Activity sharing with friends. Personalized coaching. Monthly challenges. Achievement awards. Get all the motivation you need to close your Activity rings every day.
- Apple Watch Series 4 GPS - 44mm Space Gray Aluminum Case with Black Sport Band - MU6D2
User Manual, Firmware Downloads
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