Apple Watch SE offers powerful features to help you stay connected, active, healthy and safe. This model is equipped with GPS and Cellular connectivity (not available in the Czech Republic), which allows you to make calls and reply to messages right from your wrist. The watch is up to 20% faster than the previous generation and includes advanced safety features such as fall detection, emergency SOS and accident detection. Track your daily activity and training trends in the Fitness app on iPhone. The watch is water resistant and allows you to track sleep stages.