Operating system watchOS Memory storage capacity 32 GB Special features notifications Connectivity technology Bluetooth Wireless communication standard Bluetooth About this item WHY APPLE WATCH SE—All the essentials to help you be motivated and active, keep connected, track your health, and stay safe. watchOS 11 brings more intelligence, personalization, and connectivity. With features like Fall Detection and enhanced workout metrics, Apple Watch SE is an incredible value. HEALTH AND SAFETY FEATURES—Get insights into your health, including notifications if you have an irregular heart rhythm or an unusually high or low heart rate. Get help when you need it with Fall Detection, Crash Detection, and Emergency SOS. Automatically notify loved ones when you arrive at your destination with Check In. CELLULAR CONNECTIVITY—Add a cellular plan to stay connected in more places than ever. Send a text, make a call, and stream music and podcasts without your iPhone nearby. SIMPLY COMPATIBLE—It works seamlessly with your Apple devices and services. Unlock your Mac automatically. Find your devices easily. Pay with Apple Pay. SWIMPROOF AND FASHIONABLE—50m water resistance. Three finishes. And a color-matched back case made with a production process that reduces its carbon emissions. EASILY CUSTOMIZABLE—With watch bands in a range of styles, materials, and colors and fully customizable watch faces, you can change your watch to fit your mood or the moment. A GREAT FITNESS PARTNER—The Workout app gives you a range of ways to train plus advanced metrics for more insights into your workout performance. And Apple Watch comes with three months of Apple Fitness+ free.