Apple Watch SE 3 is packed with health, fitness, connectivity, and safety essentials - all for a great value. Track your sleep score. Get richer health insights in the Vitals app.¹ Stay active with a wide range of workouts. Save time with fast charging.² See your info at a glance with the Always-On display. And still get all-day, 18-hour battery life.³
Digital Crown with haptic feedback; Side button; Double tap and wrist flick gestures; Siri with on‑device processing
S10 chip with 64‑bit dual-core processor; 4‑core Neural Engine; 64GB capacity
Second-generation optical heart sensor; Temperature sensor;⁴ Compass; Always‑on altimeter; High‑g accelerometer; High dynamic range gyroscope; Ambient light sensor;
Cycle Tracking app with retrospective ovulation estimates;⁵ Heart Rate app; High and low heart rate notifications; Irregular rhythm notifications;⁶ Medications app; Mindfulness app; Noise app; Sleep app including sleep stages Sleep score; Sleep apnea notifications⁷
Always-On Retina display with OLED and LTPO; Tough Ion-X front glass with 4x crack resistance;⁸ Up to 1000 nits peak brightness; 2 nits minimum brightness; 326 pixels per inch
All‑day battery life, up to 18 hours of normal use⁹; Up to 32 hours in Low Power Mode;⁹ Built‑in rechargeable lithium‑ion battery; Fast‑charge capable;¹⁰ Up to 80% charge in about 45 minutes;¹⁰ 15 minutes for up to 8 hours of normal use;¹¹ 8 minutes for up to 8 hours of sleep tracking¹¹
watchOS is the world’s most advanced wearable operating system, with apps and features designed to keep you active, healthy, safe, and connected.
Custom workouts; Customizable Workout Views; Training Load; Heart Rate Zones; Race Route; Pacer; Stride Length, Ground Contact Time, and Vertical Oscillation; Automatic track detection; Multisport workout
Compass with bearing, incline, elevation, and coordinates; Custom waypoints; Automatically generated waypoints to cellular connectivity; Backtrack GPS data; Offline maps with custom route creation; Topographic maps for thousands of national and regional parks (U.S. only); Hundreds of curated hikes across all 63 U.S. national parks
Average speed, elevation gained, and distance; Connection to cycling accessories via Bluetooth; Functional Threshold Power; Power Zones; Cadence; Live Activity on iPhone
Pool swim or open water swim; Custom workouts for pool swims; Splits and auto sets; SWOLF score; Automatic stroke detection; Kickboard detection; Average pace, total distance, and laps
Emergency SOS;¹² International emergency calling;¹³ Crash Detection;¹² Fall Detection; Noise monitoring; Backtrack
Water resistance 50m (swimproof)¹⁴
L1 GPS, GNSS, Galileo, and QZSS; 5G¹⁵ and LTE;¹⁶ Wi-Fi 4 (802.11n); Support for 2.4GHz and 5GHz Wi-Fi networks; Bluetooth 5.3; Apple Pay;¹⁷ GymKit; Support for Apple Watch For Your Kids;¹⁸ International roaming¹⁹
Built‑in accessibility features supporting vision, mobility, hearing, and cognitive disabilities.
1.73 x 1.50 x 0.42 inches
1.16 oz
Apple Watch SE 3; Band; Apple Watch Magnetic Fast Charger to USB-C Cable (1m)