Apple Watch Series 12 Smartwatch, Always-On Retina Display, S11 Chip, watchOS, 50m Water Resistance, GPS, 42mm Black Aluminum Case, 150-200mm M/L Band Size, Black Sport Band | MJEC4AF/A

Watch Series 12 Thin and lightweight design with a big, advanced display. Specifications Hardware and Buttons Digital Crown; Microphone with Voice Isolation; Side button; Band release button; Speaker; Health Sensing System Controls Digital Crown with haptic feedback; Side button; Single tap, double tap, and wrist flick gestures; Siri powered by Apple Intelligence Chip S11 chip with 64-bit dual-core processor; 4-core Neural Engine Storage Capacity 64GB Apple Intelligence & Siri AI Apple Intelligence powers Siri AI with a more personal, conversational experience and features integrated across apps Health Sensing System Second-generation electrical heart sensor; always-on optical heart sensor; blood oxygen sensor; temperature sensor Other Sensors Compass; Always-on altimeter; High-g accelerometer; High dynamic range gyroscope; Ambient light sensor; Depth gauge up to 6m; Water temperature sensor Health & Wellness Readiness app; Vitals app; Blood Oxygen app; ECG app; Heart Rate app; high/low heart rate notifications; Recovery HRV; background heart rate tracking; irregular rhythm notifications; Cycle Tracking; Medications; Mindfulness; Noise; Sleep; Sleep score; sleep apnea notifications Display Type Always-On Retina display with wide-angle OLED and LTPO3 Display Refresh Rate 1Hz 42mm Display Resolution 374 × 446 pixels 46mm Display Resolution 416 × 496 pixels Pixel Density 326 pixels per inch Display Protection (Aluminum) Ceramic Shield 2 Display Protection (Titanium/Ceramic) Sapphire front crystal Peak Brightness 2000 nits Minimum Brightness 1 nit Audio Speaker; Microphone; Media playback Battery Life Up to 24 hours of normal use Low Power Mode Up to 38 hours Outdoor Workout Battery Life Up to 10 hours Battery Type Built-in rechargeable lithium-ion battery Fast Charging Up to 80% in about 30 minutes 15-Minute Charge Up to 12 hours of normal use 5-Minute Charge Up to 8 hours of sleep tracking Operating System watchOS Running Features Custom workouts; Customizable Workout Views; Training Load; Heart Rate Zones; Postworkout heart rate; VO₂ max; Race Route; Pacer; Cadence; Stride Length; Ground Contact Time; Vertical Oscillation; Running Power; Multisport workout; heart rate, pace, and target alerts Hiking Features Compass with bearing, incline, elevation, and coordinates; Custom waypoints; automatically generated cellular connectivity waypoints; Backtrack GPS data; topographic maps and curated hikes in supported U.S. parks Cycling Features Average speed; elevation gained; distance; Bluetooth cycling accessory support; Functional Threshold Power; Power Zones; Cadence; Live Activity on iPhone Swimming Features Pool and open water swimming; custom pool workouts; splits and auto sets; SWOLF score; automatic stroke detection; kickboard detection; average pace; total distance; laps Additional Workouts Skiing; Snowboarding; Outdoor Rowing; Paddling; Golf; Walk; Elliptical; Rower; Stair Stepper; HIIT; Yoga; Functional Strength Training; Dance; Cooldown; Core T